Itron 100GDLAS AMR transceiver device for utility meters User Manual 1
Itron Inc AMR transceiver device for utility meters Users Manual 1
  
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Users Manual 1

Natural Gas Solutions 
100G DLS Gas ERT Module Installation 
Guide, Direct Mount 
TDC-0823-009 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  ii  
 Proprietary and Confidential 
Identification 
100G DLS Gas ERT Module Installation Guide, Direct Mount  
17 April 2012   TDC-0823-009 
100G, 100G DL, 100G DLN, 100G DLS 
ERT module part numbers:  
100G ERT: ERG-5000-001, ERG-5000-002, ERG-5000-003, ERG-5000-004, ERG-5000-005, ERG-5000-006, ERG-5000-007, ERG-5000-008 
100G Datalogging ERT: ERG-5002-001, ERG-5002-002, ERG-5002-003, ERG-5002-004, ERG-5002-005, ERG-5002-006, ERG-5002-007, ERG-5002-008  
100G Datalogging FN ERT: ERG-5003-001, ERG-5003-002, ERG-5003-003, ERG-5003-004, ERG-5003-005, ERG-5003-006, ERG-5003-007, ERG-5003-008, ERG-5003-009 
100G DLS ERT: ERG-5006-001, ERG-5006-002, ERG-5006-003, ERG-5006-004, ERG-5006-005, ERG-5006-006, ERG-5006-007, ERG-5006-008, ERG-5006-009 
Copyright 
©  2010 - 2012 Itron, Inc. All rights reserved. 
Confidentiality Notice 
The information contained herein is proprietary and confidential and is provided subject to the condition that (i) it is held in confidence except to the extent required otherwise by law and (ii) it is 
used only for the purposes described herein. Any third party given access to this information is similarly bound in writing. 
Trademark Notice 
Itron is a registered trademark of Itron, Inc. 
All other product names and logos in this documentation are used for identification purposes only and may be trademarks or registered trademarks of their respective companies. 
Applicable Patents 
U.S. Patent Numbers: 4,614,945; 4,753,169; 4,768,903; 4,799,059; 4,867,700 
Canadian Patent Numbers: 1,254,949; 1,267,936; 1,282,118 
Compliance Statement 
This device complies with Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Operation is subject to 
the following two conditions:  
 This device may not cause harmful interference.  
 This device must accept any interference that may cause undesirable operation.  
This device must be permanently mounted such that it retains a distance of 20 centimeters (7.9 inches) from all persons in order to comply with FCC RF exposure levels.  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the 
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.  
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures:  
 Reorient or relocate the receiving antenna.  
 Increase the separation between the equipment and receiver.  
 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
 Consult the dealer or an experienced radio or TV technician for help.    
Compliance Statement   
This equipment complies with policies RSS-210 and RSS-GEN of the Industry Canada rules.  
Operation is subject to the following two conditions:  
 (1) this device may not cause interference, and 
 (2) this device must accept any interference, including interference that may cause 
undesired operation of the device.  
Déclaration de conformité 
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio 
exempts de licence. L'exploitation est autorisée aux deux conditions suivantes :  
 (1) l'appareil ne doit pas produire de brouillage, et  
 (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le 
brouillage est susceptible d'en compromettre le fonctionnement. 
Transportation Classification 
The Federal Aviation Administration prohibits operating transmitters and receivers on all commercial aircraft. When powered, any 100G series gas ERT is considered an operating transmitter 
and receiver and cannot be shipped by air. All product returns must be shipped by ground transportation. 
Modifications and Repairs 
To ensure system performance, this device and antenna shall not be changed or modified without the expressed approval of Itron. Any unauthorized modification will void the user's authority to 
operate the equipment.  
Meter Installation/Removal 
In the event of malfunction, all repairs should be performed by Itron. It is the responsibility of users requiring service to report the need for service to Itron. 
Warning  Follow these procedures to avoid injury to yourself or others:  
  The lithium battery may cause a fire or chemical burn if it is not disposed of properly. 
  Do not recharge, disassemble, heat above 100º Celsius (212º Fahrenheit), crush, expose to water, or 
incinerate the lithium battery. Fire, explosion, and severe burn hazard. 
  Keep the lithium battery away from children. 
  Replace the lithium battery only with batteries meeting Itron specifications. Any other battery may 
cause a fire or explosion. 
Warning  Only authorized Itron personnel should attempt repairs on Itron equipment. Attempts to do so by 
others might void any maintenance contract with your company. Unauthorized service personnel might also 
be subject to shock hazard on some Itron equipment if removal of protective covers is attempted. 
Warning To prevent ignition of flammable or combustible atmospheres, disconnect power 
before servicing. 
Warning  Substitution of components may impair intrinsic safety. 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  iii  
 Proprietary and Confidential 
Suggestions 
If you have comments or suggestions on how we may improve this documentation, send them to TechnicalCommunicationsManager@itr on.com 
If you have questions or comments about the software or hardware product, contact Itron Technical Support: 
Contact 
 Internet: www.itron.com 
 E-mail: support@itron.com 
 Phone: 1 877 487 6602 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  iv  
 Proprietary and Confidential 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  v  
 Proprietary and Confidential 
Before You Begin ........................................................................................................ vii 
Document Conventions ..................................................................................................................... vii 
Document Purpose ............................................................................................................................ vii 
Chapter 1  About the 100G DLS Gas ERT Module ...................................................... 1 
Transmission Modes ........................................................................................................................... 1 
100G DLS Gas ERT Module Security ................................................................................................. 2 
Enabling 100G DLS Gas ERT Module Security ................................................................................. 2 
100G Series Gas ERT Specifications ................................................................................................. 2 
Related Documents ............................................................................................................................ 3 
100G Series Gas ERT Meter Compatibility List .................................................................................. 3 
Installation Prerequisites ................................................................................................................... 12 
Installation Overview ......................................................................................................................... 13 
Chapter 2  Elster American Meter Installation .......................................................... 14 
Removing the Meter Index ................................................................................................................ 14 
Assembling the ERT Module and Index ............................................................................................ 15 
Programming the 100G DLS Gas ERT Module Assembly ............................................................... 18 
Attaching the 100G DLS Gas ERT Module Assembly to the Meter .................................................. 19 
Chapter 3  Sensus (Invensys, Equimeter, Rockwell) Meter Installation ................. 22 
Removing the Meter Index ................................................................................................................ 22 
Assembling the ERT Module and Index ............................................................................................ 23 
Programming the 100G DLS Gas ERT Module Assembly ............................................................... 26 
Attaching the 100G DLS gas ERT module Assembly to the Sensus Meter ..................................... 27 
Chapter 4  Itron (Sprague) Meter Installation ............................................................ 29 
Removing the Meter Index ................................................................................................................ 29 
Assembling the ERT Module and Index ............................................................................................ 30 
Programming the 100G DLS Gas ERT Module Assembly ............................................................... 32 
Attaching the 100G DLS Gas ERT Module Assembly to the  Meter ................................................. 33 
Attaching the 100G DLS Gas ERT Module Assembly to Flat-faced Sprague Meters ...................... 37 
Securing Brass Meter Tags to Flat-faced Meters.............................................................................. 38 
Attaching the 100G DLS Gas ERT Assembly on Sprague 175RM Meters ...................................... 40 
Removing the Meter Index ................................................................................................................ 40 
Assembling the ERT Module and Index ........................................................................................... 41 
Programming the 100G DLS Gas ERT Module Assembly ............................................................... 44 
Attaching the 100G DLS Gas ERT Module to the Sprague 175RM Meter ....................................... 45 
Contents 

Contents 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  vi 
 Proprietary and Confidential 
Chapter 5  National (Lancaster) Meter Installation ................................................... 48 
Removing the Meter Index ................................................................................................................ 48 
Assembling the ERT Module and Index ............................................................................................ 49 
Programming the 100G DLS Gas ERT Module Assembly ............................................................... 53 
Attaching the 100G DLS Gas ERT Module Assembly to the Meter .................................................. 54 
Chapter 6  Elster American and Itron (Actaris) Commercial Meter Installation ..... 57 
Removing the Index or Index Assembly from the Meter ................................................................... 57 
Programming the 100G DLS Gas ERT Module ................................................................................ 60 
Attaching the 100G DLS Gas ERT Module to the Commercial Meter .............................................. 61 
Installing the Commercial 100G DLS Gas ERT Module on an Itron (Actaris) Commercial Meter .... 65 
Programming the 100G DLS Commercial Gas ERT ......................................................................... 68 
Attaching the 100G DLS Gas ERT Module to the Commercial Meter .............................................. 69 
Chapter 7  Sensus (Rockwell) Commercial Meter Installation ................................. 74 
Removing the Index or Index Assembly from the Meter ................................................................... 74 
Programming the 100G DLS gas ERT module ................................................................................. 76 
Attaching the 100G DLS Gas ERT Module to a Sensus/Rockwell Commercial Diaphram Meter .... 77 
Mounting a 100G DLS Gas ERT Module on a Rockwell 750 meter with an Aluminum Box  
Direct Reading (VDR) ........................................................................................................................ 80 
Attaching the 100G DLS Gas ERT Module to a Sensus/Rockwell Commercial Diaphram Meter .... 81 
Chapter 8  GE Oil & Gas Dresser Commercial Rotary Meter Installation ............... 84 
Installation Prerequisites ................................................................................................................... 84 
Installation Examples ........................................................................................................................ 85 
Programming the 100G DLS Assembly ............................................................................................ 86 
B3, LMMA, and S3A CTR/TC Dresser Series Register Settings and Direct Drive Programming 
Information......................................................................................................................................... 88 
B3, LMMA and S3A CTR/TC Meter Drive Rates: Residential Direct Drive Programming* .............. 89 
Installing the Residential 100G DLS ERT Module Assembly to the Dresser Rotary Meter .............. 90 
Installing the Commercial Gas ERT on a Dresser Rotary Meter with an Instrument Drive .............. 91 
Programming the 100G DLS Commercial Gas ERT Module Assembly ........................................... 92 
B3, LMMA, and S3A CD/TD Dresser ROOTS® Series Meter Drive Rates ...................................... 94 
Completed Installation Examples ..................................................................................................... 98 
Index ............................................................................................................................. 99 

Before You Begin 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  vii  
 Proprietary and Confidential 
Document Conventions 
The following documentation conventions are used in this installation guide: 
Caution   A Caution warns the installer that failure to follow the information in the note could result in 
loss of data. Be sure to carefully read a Caution note and follow the advice or instructions. 
Warning  A Warning alerts the installer about potential physical harm to the installer or hardware. It 
is critical that you pay strict attention to Warning notes, read the information carefully, and follow the 
advice or instructions. 
Document Purpose 
This installation guide provides step-by-step instructions for installing the 100G series gas ERT module on a 
wide variety of meters. This installation guide may refer to the 100G series as the 100G DLS gas ERT module 
based on form or meter type. Mechanical installation procedures are identical for all modules. 100G series gas 
ERT module compatible meters are listed in the Meter Compatibility List.  
Before You Begin 
Tip  A Tip provides the installer with extra hints or suggestions to make a task easier to perform or a 
concept easier to understand. 
Note  A Note supplies generic information to the installer. The installer can ignore the information 
and continue a task without suffering any adverse consequences. 

Before You Begin 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  viii 
 Proprietary and Confidential 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  1  
 Proprietary and Confidential 
Itron 100G DLS gas ERT modules are radio-frequency (RF) devices designed to transmit meter data to an RF 
meter reading device within transmission distance of the ERT module. The 100G gas ERT was designed with 
a higher output power than earlier Itron gas ERT modules to achieve an increased RF transmission distance. 
The 100G series gas ERT modules have greater output power to meet Itron mobile and fixed network 
requirements. The first 100G gas ERT module offered high transmit power capability which increased 
operational efficiency and reduced infrastructure costs. The 100G Datalogging gas ERT module was enhanced 
to offer higher transmit power with data logging capability (time-stamped hourly interval data) for both 
mobile and fixed network applications. Itron's 100G Datalogging Fixed Network (DLN) gas ERT module 
added improved network performance through a higher transmit power, accomplished using increased antenna 
efficiency and more robust optimized messaging structures. Itron's 100G DLS gas ERT module continues a 
legacy of increased efficiency in messaging and adds network security. 
Transmission Modes 
The 100G DLS gas ERT module can be set to transmit in Fixed Network, Mobile and Handheld, or Hard to 
Read Mobile and Handheld Mode.  
 Fixed Network Mode.   The 100G DLS transmits a high-powered network interval message (NIM) RF 
message every five minutes. Output power in this mode is 500 milliwatts or +27 dBm. Interspersed in the 
high power NIM, the 100G DLS transmits a medium power RF message at 10 milliwatts or +10 dBm 
every 60 seconds; expected battery life is 20 years.  
 Mobile High Power Mode.  The 100G DLS transmits a high-powered RF message every 60 seconds. 
Output power in this mode is 250 milliwatts or +24dbm; expected battery life is 20 years. 
 Mobile and Handheld Mode.   The 100G DLS transmits a medium-powered RF message every 15 
seconds. Output power in this mode is 10 milliwatts or +10dBm; expected battery life is 20 years.  
 (Optional) Hard to Read Mobile and Handheld Mode.   The 100G DLS transmits a high-powered RF 
message every 30 seconds. Output power in this mode is 250 milliwatts or +24dBm; expected battery life 
decreases to 15 years in this mode. The Hard to Read Mobile and Handheld Mode should only be used for 
exceptionally hard-to-read applications (such as meters installed on roof tops or in sub-basements).  
An FCC license is not required to read 100G series gas ERT modules.  
CH A P T E R   1  
About the 100G DLS Gas ERT Module 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  2 
 Proprietary and Confidential 
100G DLS Gas ERT Module Security 
The 100G DLS is a component of a ChoiceConnect system. ChoiceConnect system security applies to the RF 
communications between the handheld computer, Mobile Collector, or Fixed Network system and the ERT 
module. There are two fundamental security processes used in the ChoiceConnect system to ensure 
confidentiality and validity of the system communications. 
 Authentication.  Authentication is the process of confirming that an artifact is genuine or valid. 
Authentication in the 100G DLS is the process of verifying a request is from a valid source and in its 
original form. 
 Encryption.  Encryption is the process of transforming information to make it unreadable to anyone who 
does not have a valid security key. There are two types of encryption, symmetric and asymmetric.  
Symmetric encryption uses a shared key to decrypt or encrypt information. Asymmetric encryption uses a 
private key to encrypt and a public key to decrypt. 
As a component of the Itron ChoiceConnect solution, the 100G DLS supports the security model found in the  
ChoiceConnect solution for both reading and programming. If the 100G DLS modules are shipped without 
ChoiceConnect security enabled, the utility can, at a later date, inject security key sets into the 100G DLS 
ERT modules.    
Enabling 100G DLS Gas ERT Module Security 
When 100G DLS ERT modules ship from an Itron factory, each module contains a Utility Factory key.  The 
presence of this Utility Factory key does not enable security. The installer must enable security by injecting 
keys into the 100G DLS using an Itron programming device and programming commands. Initial key 
exchange commands are secured using the Utility Factory key. For more information, see the Field 
Deployment Manager Endpoint Tools Mobile Application Guide (TDC-0934) programming guide. 
100G Series Gas ERT Specifications 
Functional Specifications 
Description 
Power Source 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
Two "A" cell lithium batteries 
One "A" cell lithium battery 
Tamper Detection 
Tilt tamper and magnetic tamper 
FCC Compliance 
Part 15 certified 
Industry Canada Compliance 
RSS-210 certified 
Intrinsically Safe per 
UL Class I, Division 1, Groups C and D 
Product Identification 
Numeric and bar coded ERT type and serial number 
Construction Materials 
Gray polycarbonate housing and back plate with encapsulated electronics 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  3  
 Proprietary and Confidential 
Operational Specifications 
Description 
Operating Temperatures 
-40° to 158° F (-40° to +70° C) 
Operating Humidity 
5 to 95 percent relative humidity 
Program Frequency 
908 MHz 
Transmit Frequency 
Spread spectrum 908 to 924 MHz ISM band 
Data Integrity 
Verified in every data message 
Related Documents 
Document Title 
Document Part Number 
Gas Module Meter Compatibility List 
PUB-0117-002 
Gas Module Ordering Guide 
PUB-0117-001 
100G DLS Gas ERT Specification Sheet 
Publication 100941SP-XX 
100G DLS Gas ERT Installation Guide, Remote Mount 
TDC-0824-XXX 
Field Deployment Manager Endpoint Tools Mobile Application Guide 
TDC-0934-XXX 
Field Deployment Manager Field Representative's Guide 
TDC-0936-XXX 
100W and 100G ERT Tamper Reference Guide 
TDC-1028-XXX 
Note  The last three digits of the user and installation guides represent the document's revision level. The 
revision level is subject to change without notice. 
100G Series Gas ERT Module Meter Compatibility List 
The following table lists meter types compatible with 100G series gas ERT modules. Due to continuous 
research and product improvements and enhancements, Itron reserves the right to change product or system 
specifications without notice.  
Elster American (Canadian) 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
W75AL 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AC-175 
Aluminum case  
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL-175 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
ALC-175 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  4 
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
AT-175 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AT-210 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL-225 
Aluminum case, Canada only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
5B-225 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Must cut 1/16" off the end of the 
module wriggler drive post which will 
make the module incompatible with 
other 2-ft. drive meters. 
10 Metric B  
Originally manufactured by Metric 
Metal Works 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
ERT module with 2.5' cable 
AC-250 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL-250 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AM-250 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AR-250 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AT-250 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL-350 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL-425 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AC-630 
Aluminum case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  5  
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
AL800 
Top mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
AL1000 
Top mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
AL1400 
Top mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
AL2300 
Top mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
AL3000 
Top mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
AL5000 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
35B 
Iron case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
60B 
Iron case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
80B 
Iron case, must have front-reading 
index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
250B 
Iron case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
500B 
Iron case 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
RPM Rotary 
CTR, TC (No pulser, no instrument 
drive) Use Elster American kit 
numbers 93179K002, 003, 004, or 
005 to modify the meter with an 
adapter to attach the residential 
module. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  6 
 Proprietary and Confidential 
GE Oil & Gas/Dresser Meters (ROOTS) 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
Series B3  
8C—56M CTR 
8C—16M TC 
(No pulser,  
No instrument drive) 
To attach an Elster American AMR 
adapter kit, install Dresser AMR 
adapter kit, P/N 059599-000. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Series A 
(LMMA) 
1.5M—5M 
CTR (No pulser, No 
instrument drive) 
To attach an Elster American AMR 
adapter kit, install Dresser AMR 
adapter kit, P/N 058530-610. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Series A 
(LMMA) 
7M—16M 
CTR (No pulser, No 
instrument drive) 
To attach an Elster American AMR 
adapter kit, install Dresser AMR 
adapter kit, P/N 058531-610. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Series A 
(LMMA) 
1.5M—5M 
TC (No pulser, No 
instrument drive) 
To attach an Elster American AMR 
adapter kit, install Dresser AMR 
adapter kit, P/N 058224-610. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Series Z 
5C/8C15 
To attach an Elster American Dresser 
AMR adapter kit, install Dresser 
AMR adapter kit, P/N 059224-847 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-001 
ERG-5002-001 
ERG-5003-001 
ERG-5006-001 
Instrument drive 
B3: CTR 
  TC, 8C—11M 
LMMA: CTR 
  TC: 1.5M—11M 
Instrument platform with mechanical 
drive. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
Itron (Actaris, Schlumberger, Sprague) 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
175 
2-hole index cover 
3-hole index cover 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
175 Combination 
3-hole index cover 
 integrated regulator 
2-hole index cover 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
175RM 
Flat-face meter 
regulator on back of meter 
100G Datalogging FN 
100G DLS 
ERG-5003-009 
ERG-5006-009 
175WC 
3-hole index cover 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-006 
Requires index boxes with 3 mounting 
holes 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  7  
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
210 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
240 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
240 
Flat-face meter 1-hole index cover 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
Module requires Itron 1A Adapter Kit, 
P/N CFG-0015-001. 
240  
2-hole index cover 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
240 Combination 
Integrated regulator 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
250 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
250WC 
Integrated regulator 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
METRIS 250 
Slant-face 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
A longer mounting screw may be 
required when retrofitting to some 
vintage METRIS meters. Longer 
mounting screw is Itron P/N 010626. 
1A 
Flat-face meter includes 3-dial, 2 cf 
indexes. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
Installation requires Itron 1A Adapter 
Kit, P/N CFG-0015-001. 
305 Combination 
Integrated regulator 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
400 
Slant-face meter 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 
400A 
Slant-face meter 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-005 
ERG-5002-005 
ERG-5003-005 
ERG-5006-005 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  8 
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
675A 
Top-mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
Requires Itron (Actaris) adapter P/N 
8005901-001. Purchase from Itron. 
800A 
Top-mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
Requires Itron (Actaris) adapter P/N 
8005901-001. Purchase from Itron. 
1000A 
Top-mount index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
Requires Itron (Actaris) adapter P/N 
8005901-001. Purchase from Itron. 
National (Lancaster) 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
175 
National meter indexes with bow-tie 
shaped wrigglers cannot be used. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-006 
ERG-5002-006 
ERG-5003-006 
ERG-5006-006 
Actaris/Schlumberger/Sprague direct 
read (odometer) indexes cannot be 
used. 
U175 
UL175 
National meter indexes with bow-tie 
shaped wrigglers cannot be used. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-006 
ERG-5002-006 
ERG-5003-006 
ERG-5006-006 
Actaris/Schlumberger/Sprague direct 
read (odometer) indexes cannot be 
used. 
250 
National meter indexes with bow-tie 
shaped wrigglers cannot be used. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-006 
ERG-5002-006 
ERG-5003-006 
ERG-5006-006 
Actaris/Schlumberger/Sprague direct 
read (odometer) indexes cannot be 
used. 
Romet 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
Instrument drive 
RM series. Standard index drive and no 
instrument 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-007 
ERG-5002-007 
ERG-5003-007 
ERG-5006-007 
Sensus (Invensys/Equimeter/Rockwell/EMCO) 
Meter Model 
Meter Notes 
100G Module Type 
Iron Part 
Number 
Gas Module Notes 
RT-100 
18-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-004 
ERG-5002-004 
ERG-5003-004 
ERG-5006-004 
24- and 30-tooth gears are not 
compatible. 
S-110 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
T-110 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  9  
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
S-120 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
T-120 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
R-175 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
S-175 
18-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-004 
ERG-5002-004 
ERG-5003-004 
ERG-5006-004 
24- and 30-tooth gears are not 
compatible. 
S-190 
18-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-004 
ERG-5002-004 
ERG-5003-004 
ERG-5006-004 
24- and 30-tooth gears are not 
compatible. 
R-200 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
RT-200 
11-tooth 
100G  
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
S-200 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
RC-225 
11-tooth (Canadian only) 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
RT-225 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
RC-230 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
RCM-230 
(RC-230 Metric) 
16-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 
24- and 30-tooth gears are not 
compatible. 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  10 
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
RT-230 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
250 
11-tooth 
100G 
100G Datalogging  
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
R-275 
11-tooth 
100G  
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
MR-8 
(R-275 Metric) 
16-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 
24- and 30-tooth gears are not 
compatible. 
RT-275 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
S-275 
11-tooth (side connections) 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
MR-5 
(S-275 Metric) 
16-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 
24- and 30-tooth gears are not 
compatible. 
310 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
R-315 
11-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-002 
ERG-5002-002 
ERG-5003-002 
ERG-5006-002 
24- and 30-tooth gears are not 
compatible. 
MR-9 
(R-315 Metric) 
16-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 
24- and 30-tooth gears are not 
compatible. 
RT-360 
18-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-004 
ERG-5002-004 
ERG-5003-004 
ERG-5006-004 
415 
18-tooth. Older meters may have gas 
module to meter mounting hole 
variations that can make them 
incompatible. 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-004 
ERG-5002-004 
ERG-5003-004 
ERG-5006-004 
MR-12 
(415 Metric) 
16-tooth 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-003 
ERG-5002-003 
ERG-5003-003 
ERG-5006-003 
24- and 30-tooth gears are not 
compatible. 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  11  
 Proprietary and Confidential 
Meter Model 
Meter Notes 
100G Module Type 
Itron Part 
Number 
Gas Module Notes 
750 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
1000 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
1600 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
3000 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
5000 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
10000 
Vertical index only 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
750, 1000, 1600, 
3000, 5000, 10000 
Aluminum box direct reading (VDR) 
index 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
EMCO 
#2-1/2 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
EMCO 
#3 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
EMCO 
#4 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
EMCO 
#4-1/2 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 
EMCO 
#5 
100G 
100G Datalogging 
100G Datalogging FN 
100G DLS 
ERG-5000-008 
ERG-5002-008 
ERG-5003-008 
ERG-5006-008 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  12 
 Proprietary and Confidential 
Installation Prerequisites 
Prior to installation, verify you have the following items: 
 100G gas ERT module designed for your specific brand of residential or commercial gas meters (ERTs 
include new tamper seals). 
 A compatible meter (see the 100G Series Gas ERT Module Meter Compatibility List). 
 A compatible index. Itron 100G DLS gas ERT modules are compatible with standard dial and direct-read 
(odometer) indexes. Exceptions are noted on the 100G Series Gas ERT Module Meter Compatibility List. 
 Installation tools (provided by installer or customer). 
 Small and medium flat-blade or Phillips screwdrivers. 
 Side-cutting plier/wire snips. 
 Small putty knife, residential meters. 
 Meter seals, wire seal, and seal press. 
 11/32-inch nut driver or other blunt tool.  
 Itron programming device: 
FC200SR handheld computer with Field Deployment Manager (FDM) software version 1.1 or higher 
or 
FC300 with SRead with Field Deployment Manager (FDM) software version 1.1 or higher 
or 
900 MHz Belt Clip Radio with Endpoint-Link version 5.5 or higher or Field Deployment Manager 
(FDM) software version 1.1 or higher and a customer-supplied laptop  
 Replacement screws:     
Replacement Screws 
Meter 
To mount the 100G DLS 
gas ERT module on the 
meter: 
Itron Part 
Number 
To mount the index on the 
100G DLS gas ERT module 
housing: 
Itron Part 
Number 
Elster American  
1/4 - 20 x 5/8" slotted, Fillister 
head 
8 - 32 x 3/16" slotted, Fillister 
head 
Sensus/Rockwell  
10 - 24 x 5/8" slotted, Fillister 
head 
6 - 32 x 5/8" slotted, Fillister head 
Itron/Sprague  
Sprague/Schlumberger 
175 RM  
10 - 24 x 5/8" slotted, Fillister 
head 
10 - 24 x 1/2-inch, slotted 
Fillister head 
SCR-0175-002 
10 - 24 x 1/4" slotted, Fillister 
head 
National/Lancaster  
10 - 24 x 3/4" Phillips, flat-
head, stainless steel  
SCR-0014-004 
10 - 24 x 3/8" thread-forming, 
Phillips pan-head to mount 
indexes with legs 
6 - 19 x 3/8" thread-forming, 
Phillips, Fillister head to mount 
indexes with screw holes 
SCR-0017-001 
SCR-0037-001 

About the 100G DLS Gas ERT Module 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  13  
 Proprietary and Confidential 
Replacement Screws 
Commercial Meter 
To mount the 100G DLS 
commercial ERT on the 
meter: 
Itron Part 
Number 
To mount the index (and 
index assembly, if 
applicable) on the 100G 
DLS commercial ERT 
housing: 
Itron Part 
Number 
Elster American 
2A x 3.35" length, slotted 
round-head drilled to accept 
utility-approved wire seals 
SCR-0062-001  
12 - 24 x 1/2" slotted, Fillister 
head machine screws, drilled to 
accept utility-approved wire seals 
Sensus/Rockwell  
2A x 3.63" length, slotted 
round-head drilled to accept 
utility-approved wire seals 
SCR-0062-002  
2A x 2.94" length, slotted round-
head 
SCR-0062-003 
Sensus/Rockwell 
For Aluminum Box Direct 
Reading (VDR) index only 
Installation Overview 
Installing the 100G DLS gas ERT module on a meter involves four tasks: 
1. Removing the index cover and index from the meter. 
2. Assembling the 100G DLS and index. 
3. Programming the 100G DLS assembly. 
4. Attaching the 100G DLS to the meter. 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  14  
 Proprietary and Confidential 
This chapter provides the instructions to install the 100G DLS gas ERT module on an Elster American Meter. 
Note  Properly dispose all unused screws, old index covers, gaskets, tamper seals, and other leftover 
materials. Do not leave materials on customer premises. 
Removing the Meter Index 
Begin the ERT module installation by removing the index cover and index from the meter. 
To remove the index from the meter 
1. Remove the four index cover screws and the index cover from the Elster American meter. Alternate screw 
removal following the numbered pattern in the photo.  
2. Examine the mounting screws. If they are 5/8-inch long and not corroded, keep them to re-attach the 100G 
DLS assembly. If the screws are not the correct length or if the screws are corroded, discard.  
Note  You may use the removed index cover as a temporary storage container for screws. Properly 
dispose all unused screws, old index covers, gaskets, tamper seals, and other leftover materials. Do not 
leave materials on customer premises.  
CH A P T E R   2  
Elster American Meter Installation 

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  15  
 Proprietary and Confidential 
3. Unscrew one index mounting screw completely. Hold one hand under the index to catch the screw. While 
removing the other mounting screw, pull the index away from the meter to keep the index backplate 
against the back of the screw. Remove the screw completely after the index is free of the meter.  
Set the index aside where it will not be damaged or fill with dirt, rain or snow. The index will be mounted 
to the ERT later in this procedure.  
4. Verify the index mounting screws are 3/16-inch long and not corroded. If the screws are the correct length 
and not corroded, retain for later use. If you discarded the original screws, use the correct replacement 
screws (see Installation Prerequisites.) 
5. Remove the old gasket, gasket residue and dirt from the meter (if applicable). The meter face must be free 
of gasket residue before you install the 100G DLS gas ERT module.  
Assembling the ERT Module and Index 
Continue ERT module installation by assembling the ERT module and index. 
To assemble the 100G DLS gas ERT module and index 
1. Separate the ERT module housing from the cover by pulling the cover straight out from the housing. 

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  16 
 Proprietary and Confidential 
2. Set the ERT module clear cover aside where it will not be damaged or fill with rain, dirt, or snow. You 
will use the cover later in this installation procedure. 
Note  Elster American Meter indexes are available in different models: 
Index wrigglers on one-foot meters with drive slots   Index meters on two-foot meters with drive 
                                                                                          posts 
Index with mounting screw holes                                 Index with mounting slots 
If your index has mounting screw slots, skip steps 3 and 4. If your index has mounting screw holes, 
perform steps 3 and 4, and skip steps 5 and 6. 
3. Using the original index mounting screw or a replacement screw, if necessary, place one 8 - 32 3/16-inch 
screw into the index's right-hand mounting screw hole.   
4. Attach the screw to the ERT housing's right-index mounting post just enough to hold the screw and the 
right end of the index in place.  
5. Screw one 8 - 32 x 3/16-inch screw into the right index mounting post one or two turns. Do not tighten the 
screw.  
6. Place the right index mounting screw slot under the screw head. Do not tighten the screw.  

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  17  
 Proprietary and Confidential 
7. Slide the index drive post into the ERT wriggler. Verify positive engagement. 
Caution  If the index wriggler has a drive slot, place the ERT wriggler's drive post into the index drive 
slot. Failure to mate the ERT module wriggler with the index drive post (or slot) can cause binding and 
lead to poor registration or meter failure. 
8. Install and tighten the left index mounting screw (for indexes with either mounting screw slots or holes). 
Tighten the right index mounting screw. Install and tighten index mounting screws evenly.  
9. Slide the ERT cover over the index and housing. Verify the cover is installed correctly. The ERT label 
should be clearly visible and easily read. 

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  18 
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Programming the 100G DLS Gas ERT Module Assembly 
Program the 100G DLS using: 
 An FC200SR handheld computer with Field Deployment Manager (FDM) software version 1.1 or higher 
or 
 A FC300 with SRead handheld computer with Field Deployment Manager (FDM) software version 1.1 or 
higher 
or 
 A 900MHz Belt Clip Radio with Field Deployment Manager (FDM) software version 1.1 or higher and a 
customer-supplied laptop. The Belt Clip Radio connects to the user-supplied laptop using a USB cable or 
Bluetooth. 
See the Field Deployment Manager Endpoint Tools Mobile Application Guide (TDC-0934) for more complete 
programming information. 
FC200SR               FC300 with SRead     900MHz Belt Clip Radio 
Caution  You must program the 100G DLS gas ERT module before use.  
The ERT is programmed based on the meter's drive rate. Take note of the index drive rate shown on a lower 
dial on the index. Elster American meter index drive rates are either 1-cubic foot, 2-cubic feet or 0.05 cubic 
meters (not shown below).  

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  19  
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To program the 100G DLS gas ERT module 
 Program the meter drive rate into the 100G DLS gas ERT module using the endpoint programming 
device.  
 For all programming and Check Endpoint operations, hold the handheld programmer as close to 
vertical as possible. For best success, keep the handheld programmer within 6 feet of the target ERT. 
 Verify you have the correct programming mode (Fixed Network Mode, Mobile High Power Mode, 
Mobile/Handheld Mode, or Hard to Read Mobile/Handheld Mode) for your application.  
Programming parameters are based on the configuration file loaded into the ERT module programming 
device. During programming, the 100G DLS gas ERT module is set to the nearest 100 cubic feet; the last two 
digits (tens and units) are programmed as zeros (0). After programming is complete, the ERT assembly will 
read to the nearest cubic foot.  
Attaching the 100G DLS Gas ERT Module Assembly to the 
Meter 
After programming the 100G DLS gas ERT module, attach the ERT assembly to the Elster American Meter. 
Warning  For 5B Meters only: If you are installing the 100G DLS on a 5B-225 aluminum 
meter, cut 1/16-inch off each ERT wriggler post to prevent the wriggler from rubbing on the 
face of the nut holding the meter drive dog in place. Trimming the drive post may make the 
module incompatible with other 2-ft. drive meters. 
To attach the 100G DLS gas ERT module to the meter 
1. Align the ERT wriggler to connect with the drive post (or slot) of the meter. 
 For one-foot meters: Align the ERT assembly wriggler perpendicular to the meter drive post. 

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  20 
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 For two-foot meters: Align the ERT assembly wriggler perpendicular to the meter drive slot. The pin 
on the ERT wriggler may be installed inside or outside the meter drive slot. For easy assembly, Itron 
recommends installing the pin on the 100G DLS wriggler outside the meter drive slot.  
Warning  Failure to correctly align the meter drive post and ERT module drive slot can cause binding 
and lead to poor registration or meter failure. If there is a gap between the ERT module gasket and the 
meter, it may be the drive slot of the ERT module assembly's wriggler is not correctly aligned with the 
meter drive slot. Remove the 100G DLS assembly and repeat the alignment procedure. You must engage 
ERT module wriggler in the meter drive dog.  
2. Carefully align the ERT's four screw holes with the holes on the meter. Attach using the original mounting 
screws if they are the correct size and are not corroded (1/4 - 20 x 5/8-inch screws.) If you discarded the 
original screws, use the correct replacement screws (see Installation Prerequisites). Tighten in an 
alternating, diagonal pattern as shown in the photo:  
 Insert first screw and tighten 1/4 to 1/2 turn after the screw contacts the meter connection. 
 Insert the second screw and tighten 1/4 to 1/2 turn after contact with the meter connection. 
 Insert the third screw and tighten 1/4 to 1/2 turn after contact with the meter connection. 
 Insert the last screw and tighten 1/4 to 1/2 turn after contact with the meter connection.  
Return to the first screw and tighten. Continue with the second, third and last screw until all screws are 
tight. Use equal screw tension to tighten each screw.   
Important  Meter manufacturers: torque the mounting screws 15 to 20 inch-pounds. 
3. Place new tamper seals over the two screws with tamper seal mounts. Press tamper seals into place using 
an 11/32-inch nut driver or similar blunt tool. 

Elster American Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  21  
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4. Complete necessary paperwork and verify all excess materials are removed from the customer premises. 
100G DLS gas ERT module installation on the Elster American meter is complete. 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  22  
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This chapter provides the instructions to install the 100G DLS Gas ERT Module on a Sensus/Rockwell Meter. 
These instructions apply to 11-tooth, 16-tooth, and 18-tooth Sensus 100G DLSs.  
Note Sensus meters are also known as Invensys, Equimeter, and Rockwell. For these instructions, 
all meter types are referred to as Sensus meters.  
100G DLS gas ERT module 
Sensus 11-tooth 
Sensus 16-tooth 
Sensus 18-tooth 
Removing the Meter Index 
Begin the ERT module installation by removing the index cover and index from the meter. 
To remove the index from the meter 
1. Remove the four index cover screws and the index cover from the Sensus meter. Alternate screw removal 
following the numbered pattern as shown in the following illustration. 
2. Examine the mounting screws. If they are 5/8-inch long and not corroded, keep them to attach the 100G 
DLS gas ERT module assembly. If the screws are not the correct length or if the screws are corroded, 
discard.  
Note  You may use the removed index cover as a temporary storage container for screws. Properly 
dispose all unused screws, old index covers, gaskets, tamper seals, and other leftover materials. Do not 
leave materials on the customer premises.  
CH A P T E R   3  
Sensus (Invensys, Equimeter, Rockwell) Meter Installation 

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  23  
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3. Remove one index mounting screw completely. Hold one hand under the index to catch the screw. While 
removing the other mounting screw, pull the index away from the meter to keep the index backplate 
against the back of the screw. Remove the screw completely after the index is free of the meter.  
4. Set the index aside where it will not be damaged or fill with dirt, rain, or snow. You will mount the index 
in the ERT later in this procedure. Verify the index mounting screws are 5/8-inch long and not corroded. 
If the screws are the correct length and not corroded, retain for later use. If you discard the original 
screws, use the correct replacement screws (see Installation Prerequisites on page 12.) 
5. Remove the old gasket, gasket residue, and dirt from the meter (if applicable). The meter face must be free 
of gasket residue or dirt before you install the 100G DLS.  
Assembling the ERT Module and Index 
Continue ERT module installation by assembling the ERT module and index. 
To assemble the 100G DLS gas ERT module and index 
1. Separate the ERT module housing from the clear cover by pulling the cover straight out from the housing. 
Set the ERT cover aside where it will not be damaged or fill with rain, dirt, or snow. You will replace the 
cover later in this installation procedure. 

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  24 
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2. Place the index drive gear (1) in the housing wriggler gear cup (2) of the ERT. The example shows an 11-
tooth drive gear. Your index may be a 16- or 18-tooth gear. Use the appropriate 100G DLS gas ERT 
module for your specific meter. See the Meter Compatibility List on page 3 for more information. 
3. After the drive gear is aligned with the wriggler gear, the mounting holes will line up. 
Warning  Indexes have varying drive mechanism styles. Failure to align the ERT wriggler with the index 
drive post can cause binding and lead to poor registration or meter failure. To verify proper engagement of 
the index to the ERT housing, spin the wriggler one clockwise rotation, then one-counterclockwise 
rotation. Do not spin the wriggler more than one complete rotation. The wriggler should spin freely, with 
little or no resistance.  
4. Using the original index mounting screw or a replacement screw (if necessary), place one 6 - 32 x 5/8-inch 
screw into the index right mounting screw hole.   
5. Attach the screw to the ERT housing right-index mounting post just enough to hold the screw and the 
right end of the index in place.  
6. Install and tighten the left index mounting screw.  

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  25  
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7. Tighten the right index mounting screw completely. Install and tighten both index mounting screws 
evenly. 
8. Slide the ERT cover over the index and housing. Verify the cover is installed correctly. The ERT label 
should be clearly visible and easily read. 

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  26 
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Programming the 100G DLS Gas ERT Module Assembly 
Program the 100G DLS using: 
 An FC200SR handheld computer with Field Deployment Manager (FDM) software version 1.1 or higher 
or 
 A FC300 with SRead handheld computer with Field Deployment Manager (FDM) software version 1.1 or 
higher 
or 
 A 900MHz Belt Clip Radio with Field Deployment Manager (FDM) software version 1.1 or higher and a 
customer-supplied laptop. The Belt Clip Radio connects to the user-supplied laptop using a USB cable or 
Bluetooth. 
See the Field Deployment Manager Endpoint Tools Mobile Application Guide (TDC-0934) for more complete 
programming information. 
FC200SR               FC300 with SRead     900MHz Belt Clip Radio 
Caution  You must program the 100G DLS gas ERT module before use.  
The ERT is programmed based on the meter's drive rate. Take note of the index drive rate shown on a lower 
dial on the index. Elster American meter index drive rates are either 1-cubic foot, 2-cubic feet or 0.05 cubic 
meters (not shown below).  

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  27  
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To program the 100G DLS gas ERT module 
 Program the meter drive rate into the 100G DLS gas ERT module using the endpoint programming 
device.  
 For all programming and Check Endpoint operations, hold the handheld programmer as close to 
vertical as possible. For best success, keep the handheld programmer within 6 feet of the target ERT.  
 Verify you have the correct programming mode (Fixed Network Mode, Mobile High Power Mode, 
Mobile/Handheld Mode, or Hard to Read Mobile/Handheld Mode) for your application.  
Programming parameters are based on the configuration file loaded into the ERT module programming 
device. During programming, the 100G DLS gas ERT module is set to the nearest 100 cubic feet; the last two 
digits (tens and units) are programmed as zeros (0). After programming is complete, the ERT assembly will 
read to the nearest cubic foot.  
Attaching the 100G DLS gas ERT module Assembly to the 
Sensus Meter 
After 100G DLS gas ERT module programming is complete, attach the ERT assembly to the Sensus meter. 
To attach the 100G DLS gas ERT module to the meter 
1. Place the ERT assembly against the front of the meter at angle.  
Warning  Failure to correctly align the meter drive post and ERT module drive slot can cause binding 
and lead to poor registration or meter failure. If there is a gap between the ERT module gasket and the 
meter, it may be the drive slot of the ERT module assembly's wriggler is not correctly aligned with the 
meter drive slot. Remove the 100G DLS assembly and repeat the alignment procedure. You must engage 
ERT module wriggler in the meter drive dog.  
2. Install and tighten the ERT-to-meter mounting screws in an alternating pattern. Use the original mounting 
screws if they were the correct size and not corroded. If you discarded the original screws, use the correct 
replacement screws (see Installation Prerequisites on page 12). 
 Align the top right mounting screw hole on the meter with the top right screw hole on the ERT.  
 Insert the top right cover mounting screw and tighten the screw enough to hold the ERT assembly in 
place. Do not completely tighten the screw.  
 Rotate the ERT assembly counterclockwise until the remaining three ERT screw holes line up with the 
holes in the meter.   

Sensus (Invensys, Equimeter, Rockwell) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  28 
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3. Install the remaining three mounting screws and tighten in the pattern shown in the following illustration. 
Tighten each mounting screw evenly. 
a. Insert lower left mounting screw (2) and tighten to snug position. 
b. Tighten upper right mounting screw (1,3) to snug position. 
c. Insert upper left mounting screw (4) and tighten to snug position. 
d. Insert lower right mounting screw (5) and tighten to snug position. 
Important  Meter manufacturers: torque the mounting screws 15 to 20 inch-pounds.  
4. Place a new tamper seal over the two screws with tamper seal cups. Press the new tamper seals into place 
using an 11/32-inch nut driver (or similar blunt tool).   
5. Complete any necessary paperwork and properly dispose excess installation materials and scrap from the 
customer premises. 
100G DLS installation on the Sensus meter is complete. 

TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  29  
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This chapter provides the instructions to install the 100G DLS Gas ERT Module on an Itron (Sprague) meter. 
Note  Itron (Sprague) meters are also known as Actaris and Schlumberger 
meters. For these instructions, all meters will be referred to as Itron or Sprague 
meters. 
Removing the Meter Index 
Begin the ERT module installation by removing the index cover and index from the meter. 
To remove the index from the meter 
1. Remove the index cover screws and the index cover from the Itron (Sprague) meter. Examine the 
mounting screws. If they are 5/8-inch long and not corroded, keep them to re-attach the 100G DLS 
assembly. If the screws are not the correct length or if the screws are corroded, discard.  
Note  Use the removed index cover as a temporary storage container for the screws. Properly dispose all 
unused screws, old index covers, gaskets, tamper seals, and other leftover materials. Do not leave 
materials on customer premises. 
CH A P T E R   4  
Itron (Sprague) Meter Installation 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  30 
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2. Loosen the index mounting screws 1/2 to one turn. Slide the index to the left and off the mounting screws. 
Remove the index from the meter.    
3. Set the index aside where it will not be damaged or fill with dirt, rain, or snow. You will mount the index 
in the ERT later in this procedure.  
4. Verify the index mounting screws are 1/4-inch long and not corroded. If the screws are the correct length 
and not corroded, retain for later use. If you discard the original screws, use the correct replacement 
screws (see Installation Prerequisites on page 12). 
5. Remove the old gasket, gasket residue, and dirt from the meter (if applicable). The meter face must be free 
of gasket residue or dirt before you install the 100G DLS.  
Assembling the ERT Module and Index 
Continue ERT module installation by assembling the ERT module and index. 
To assemble the 100G DLS gas ERT module and index 
1. Separate the 100G DLS housing from the cover by pulling the cover straight out from the housing. Set the 
ERT cover aside where it will not be damaged or fill with rain, dirt or snow. You will use the cover later 
in this installation procedure. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  31  
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2. Insert the 10 - 24 x 1/4-inch screws into the index mounting posts two turns. Do not tighten the screws.  
3. Align the index wriggler (1) with the ERT drive post (2). Carefully slide the index onto the mounting 
screws.  
4. Verify the 100G DLS housing drive post makes positive engagement with the index wriggler.  
Warning  Indexes have varying drive mechanism styles. Failure to align the ERT wriggler with the index 
drive post can cause binding and lead to poor registration or meter failure. To verify proper engagement of 
the index to the ERT housing, spin the wriggler one clockwise rotation, then one-counterclockwise 
rotation. Do not spin the wriggler more than one complete rotation. The wriggler should spin freely, with 
little or no resistance.  
5. Hold the index in place and tighten the index mounting screws.  
Warning  Verify the index is correctly positioned all the way to the right on the index mounting screws 
before you tighten the index mounting screws. Failure to properly mount the index on the index mounting 
screws may cause binding and meter failure. 
6. Install and tighten the mounting screws evenly.   

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  32 
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7. Slide the ERT cover over the index and housing. Verify the cover is installed correctly. The ERT label 
should be clearly visible and easily read. 
Programming the 100G DLS Gas ERT Module Assembly 
Program the 100G DLSs using: 
 An FC200SR handheld computer with Field Deployment Manager (FDM) software version 1.1 or higher 
or 
 A FC300 with SRead handheld computer with Field Deployment Manager (FDM) software version 1.1 or 
higher 
or 
 A 900MHz Belt Clip Radio with Field Deployment Manager (FDM) software version 1.1 or higher and a 
customer-supplied laptop. The Belt Clip Radio connects to the user-supplied laptop using a USB cable or 
Bluetooth. 
See the Field Deployment Manager Endpoint Tools Mobile Application Guide (TDC-0934) for more complete 
programming information. 
FC200SR               FC300 with SRead     900MHz Belt Clip Radio 
Caution  You must program the 100G DLS gas ERT module before use.  

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  33  
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The ERT is programmed based on the meter's drive rate. Take note of the index drive rate shown on a lower 
dial on the index. Elster American meter index drive rates are either 1-cubic foot, 2-cubic feet or 0.05 cubic 
meters (not shown below).  
To program the 100G DLS gas ERT module 
 Program the meter drive rate into the 100G DLS gas ERT module using the endpoint programming 
device.  
 For all programming and Check Endpoint operations, hold the handheld programmer as close to 
vertical as possible. For best success, keep the handheld programmer within 6 feet of the target ERT.  
 Verify you have the correct programming mode (Fixed Network Mode, Mobile High Power Mode, 
Mobile/Handheld Mode, or Hard to Read Mobile/Handheld Mode) for your application.  
Programming parameters are based on the configuration file loaded into the ERT module programming 
device. During programming, the 100G DLS gas ERT module is set to the nearest 100 cubic feet; the last two 
digits (tens and units) are programmed as zeros (0). After programming is complete, the ERT assembly will 
read to the nearest cubic foot.  
Attaching the 100G DLS Gas ERT Module Assembly to the 
Meter 
After you program the 100G DLS gas ERT module, attach it to the Itron meter.  

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  34 
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To attach the 100G DLS gas ERT module to the meter 
1. Align the ERT so one of its four drive fins (1) lines up with the meter drive dog (2). 
Warning  Failure to correctly align the meter drive post and ERT module wriggler's fin can cause binding 
and lead to poor registration or meter failure. If there is a gap between the ERT module gasket and the 
meter, it may be the wriggler fin of the ERT module is dead headed against the meter drive dog.  
Remove the 100G DLS assembly and repeat the alignment procedure. You must engage the meter drive 
dog in the ERT module wriggler fin.  
2. Place the 100G DLS on the meter.  
3. Insert the right module mounting screw and tighten the screw until the gasket is against the meter. Do not 
completely tighten the mounting screw.  
Note  Use the original mounting screws to mount the 100G DLS if they were the correct size and not 
corroded. If you discarded the original screws, use the correct replacement screws (see Installation 
Prerequisites on page 12.)  

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  35  
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4. Slightly lift the left side of the ERT (the module will rotate on the right screw) until the left ERT mounting 
hole is approximately 1/4-inch above the left meter mounting hole.  
5. Rotate the ERT down until the ERT mounting hole is approximately 1/4-inch below the meter hole. 
6. Rotate the ERT up to align the left mounting holes.  
7. Insert the left mounting screw and tighten a few turns.  
8. Tighten the right and left ERT to meter mounting screws in an alternating pattern.  
Important  Meter manufacturers: torque the mounting screws 15 to 20 inch-pounds. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  36 
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9. Place a new tamper seal in the tamper seal cups surrounding the two mounting screws.  Press the new 
tamper seals into place using an 11/32-inch nut driver or similar blunt tool.  
10. Complete any necessary paperwork and properly dispose excess installation materials and scrap from the 
customer premises. 
100G DLS gas ERT module installation on the Itron meter is complete. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  37  
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Attaching the 100G DLS Gas ERT Module Assembly to Flat-
faced Sprague Meters 
100G DLS gas ERT module installation on a flat-faced Sprague meter requires the Itron Adapter Plate Kit 
(CFG-0015-001).  
Itron Adapter Plate Kit (CFG-0015-001) 
1 
Adapter Shim Plate 
2 
Index Cover Mounting Screws 
3 
Drive Dog 
4 
Adapter Plate Mounting Screws 
To attach the 100G DLS gas ERT module assembly to Flat-faced Sprague meters 
1. Verify the kit includes the materials listed in the Itron Adapter Plate Kit table.  
Warning  The adapter plate must fit flush against the meter face. Some older Sprague meters are not 
compatible with the adapter plate. The following examples illustrate the potential obstruction (problem) 
areas between the adapter plate and meter. Failure to mount the adapter plate flush on the front of a meter 
could result in a binding condition and lead to poor registration or meter failure. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  38 
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2. Remove the drive dog from the flat-faced Sprague meter. Replace it with the extended drive dog included 
in the kit. Hand-tighten to snug. 
Warning   The meter drive dog shaft is surrounded by a gasket. A gas leak could result if the gasket is 
damaged. Do not use a tool to install or tighten the new drive dog. Hand-tighten only. 
3. Attach the adapter plate to the meter with the gasket against the meter face. Secure with the two adapter 
plate mounting screws in an alternating fashion. Tighten each adapter plate screw evenly. 
 Insert the right adapter plate screw and tighten the screw enough to hold it in place.  
 Install the left mounting screw and tighten to a snug fit.  
 Finish by tightening the right mounting screw to a snug fit.  
Note  The 100G DLS must be assembled, programmed, and attached to the meter following the 
instructions in  Assembling the 100G DLS Gas ERT Module and Index on page 30, Programming the 
100G DLS Gas ERT Module Assembly on page 18, and  Attaching the 100G DLS Gas ERT Module to 
the Meter on page 33. Use the module mounting screws shipped with the Sprague 1A Adapter Plate Kit to 
mount the 100G DLS.  
Securing Brass Meter Tags to Flat-faced Meters 
Some older Sprague meters have metal index covers with brass meter tags attached (by screws or rivets) to 
metal index covers.  
Typically, brass meter tags have mounting (screw/rivet) holes on each end of the tag. 
Mount brass meter tags using one of three Itron-approved methods. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  39  
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To secure brass meter tags to flat-faced meters 
Method 1 and 2  
1. Carefully remove the brass meter tag from the meter index cover. Try not to damage the meter tag 
mounting holes.  
2. Attach the 100G DLS assembly to the meter. The Sprague adapter plate has tag mounting holes in the 
lower left and right corners. Secure the meter tag to one of the holes with a utility-approved and provided 
security seal.  
Method 1: Attach the meter tag to the adapter plate tag mounting hole 
Method 2: Attach the meter tag to the 100G DLS gas ERT module mounting hole 
Note  If the brass meter tag will be secured to the meter utilizing the ERT-to-meter mounting hole, it must 
be attached during the 100G DLS installation procedure described in Step 1 of Attaching the 100G DLS 
Gas ERT Module to the Meter on page 33. 
Caution  A protruding brass meter tag can present a safety concern particularly if the tag is damaged with 
sharp edges protruding from the meter. 
Method 3 
1. Remove the 100G DLS gas ERT module index cover. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  40 
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2. Place the meter tag inside the ERT assembly for optimal meter tag security. (See To assemble the 100G 
DLS gas ERT module and index on page 30.) 
Method 3: Place the brass meter tag inside the 100G DLS assembly 
Attaching the 100G DLS gas ERT module Assembly on Sprague 
175RM Meters 
This section provides the information to install the 100G DLS on a Sprague 175RM meter. 
Removing the Meter Index 
Begin the ERT module installation by removing the index cover and index from the meter. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  41  
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To remove the index from the meter 
1. Remove the index cover mounting screws and the index cover from the Sprague 175RM meter. Discard 
the index cover and index cover mounting screws.   
Note The removed index cover may be used as a temporary refuse container for screws. Properly 
dispose the index cover and all unused screws, gaskets, tamper seals, and other leftover 
materials. Do not leave materials on customer premises.  
2. Loosen the index mounting screws 1/2 to one turn. Slide the index up and off the mounting screws and 
remove it from the meter.  Set the index aside where it will not be damaged or fill with dirt, rain or snow. 
You will mount the index in the module later in this procedure. Remove the index mounting screws from 
the meter. Verify the index mounting screws are 1/4-inch long and not corroded. If the screws are the 
correct length and not corroded, retain for later use. If the original screws are discarded, use the correct 
replacement screws (see Installation Prerequisites on page 12). 
3. Remove the old gasket, gasket residue, and dirt from the meter (if applicable). The meter face must be free 
of gasket residue or dirt before you install the 100G DLS.  
Assembling the ERT Module and Index 
Continue ERT module installation by assembling the ERT module and index. 

Itron (Sprague) Meter Installation 
TDC-0823-009 100G DLS Gas ERT Module Installation Guide, Direct Mount  42 
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To assemble the 100G DLS gas ERT module and index 
1. Separate the 100G DLS housing from the cover by pulling the cover straight out from the housing. Set the 
module cover aside where it will not be damaged or fill with rain, dirt or snow. The cover is used later in 
this installation procedure. 
2. Screw the index mounting screws into the index mounting posts loosely (one to two turns). Do not tighten 
the screws.   
3. Align the index wriggler (1) with the ERT module drive post (2).