DV Power Protective Earth Resistance Meter RMO60E User Manual Brochure

User Manual: DV-Power-Protective-earth-resistance-meter-RMO60E-User-Manual-Brochure

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Protective earth resistance meter RMO60E


Lightweight – only 7,5 kg



Powerful 10 A – 60 A DC



Measuring range 100 µΩ – 999,9 m



Resolution to 0,1 



SINGLE / CONTIN Mode



Mechanical protection IP43

Description
RMO60E is ideal for testing the protective
bonding (grounding) of equipment following
the standard 61010-1 IEC 2001.This standard
specifies for plug connected equipment and for
permanently connected equipment the following
requirements:
The protective earth resistance should be below
0,1Ω or voltage between the protective
conductor terminal and each accessible
conductive part for which protective bonding is
required not to exceed 10V.
Conformity is checked by applying a test current
for 1 minute and then calculating impedance, or
measuring the voltage between the protective
conductor terminal and each accessible
conductive part for which protective bonding is
required.
The test current should be greater of 25A or
twice the rated current for plug connected
equipment, or twice the value of the overcurrent
protection for the permanently connected
equipment.

B-RMO60EN-301-EN

For both of these applications RMO60E can
provide the right tool for verification of the
conformity. Applying current up to the value of
60A and the ability of RMO60E to provide in the
Contin menu (continuous operation) test current
for the pre-set test duration (equal or exceeding
1 min) - gives an user possibility to easily

check the protective bonding/grounding of the
equipment. The full load voltage of 12V assures
that the measurement is executed properly and
that the result obtained (pass fail classification)
is accurate.
RMO60E generates true DC current with
automatically regulated test ramps. During the
test RMO60E ramps with increasing current
before measuring and decreasing current after
the measurement. This eliminates magnetic
transients. After the test current has been set,
the automatic test procedure is started by
pressing the Ω-button.
The RMO60E instrument can store up to 500
measurements. All measurements are time and
date stamped. Using DV-Win software a test can
be performed from a PC, and the results can be
obtained directly at a PC Communication
between RMO60E and PC is through USB or
RS232 cable. Using DV-Win the result can be
arranged as an Excel spread sheet which can
be later shown as a diagram and printed for a
report.
The set is equipped with thermal and
overcurrent protection. The RMO60E has very
high ability to cancel electrostatic and
electromagnetic interference in HV electric
fields. It is achieved by very efficient filtration.
The filtration is made utilizing proprietary
hardware and software.

2016-05-11

1

Output Ratings

CONTIN Mode

The full output is available from the RMO60E at
230 V or 115 V Mains Supply.

RMO60E can generate a DC current
continuously using the CONTIN menu. In this
menu the current can be chosen the same way
as in the SINGLE menu, but the duration of the
test can be preset. The test is started pressing
the Ω-button. During the test, a new result is
shown on the display and stored into the PC
(DV-Win) each second. Using DV-Win the result
can be arranged as an Excel spreadsheet which
can be later shown as a diagram and printed for
a report.

Supply
Voltage

Output Current

Full Load
Voltage

230 V AC

60 A DC smoothed

12,0 V DC

115 V AC

60 A DC smoothed

12,0 V DC

Output current is filtered and has a ripple of less
than 1 %.
Output current is filtered and has a ripple of less
than 1 %.

Application

Typical application is measuring of protective earth resistance of equipment in compliance with IEC
61010-1 safety standard.

Other application is measuring resistance of:



High, middle and low voltage circuit breakers



High, middle and low voltage disconnecting switches



High-current bus bar joints



Cable splices



Welding joints

B-RMO60EN-301-EN
2016-05-11

2

Technical data
Mains power supply

Environmental conditions





Connection according to IEC/EN60320-1;

-10 ºC - + 55 ºC / 14 ºF - +131 ºF

C320



Mains supply:

90 V – 264 V AC



Frequency:

50 / 60 Hz



12 A / 250 V, type F



Test current



Full Load Voltage12,0 V DC at 60 A

10 A - 60 A DC



Installation/overvoltage category

II



Pollution degree

2

Dimensions and weight

*At 230 V of supply voltage



Measurement



Resistance range 100,0 µΩ - 999,9 mΩ



Resolution:
100  - 999,9 

0,1 µΩ

1,000 m - 9,999 m

1,0 µΩ

10,00 m - 99,99 m

10 µΩ

100,0 m - 999,9 m

0,1 mΩ

Typical accuracy± (0,1 % rdg + 0,1 % FS)

LCD screen 20 characters by 4 lines; LCD

Dimensions (W x H x D):
198 mm x 255 mm x 380 mm
7,8 in x 10 in x 15 in



Weight: 7,5 kg/16,5 lb

Warranty



3 Years

Safety Standards



European standardsEN 61010-1
LVD 2006/95/EC

Display



International standardsIEC 61010-1

display with backlight, visible in bright

UL 61010-1

sunlight

CAN/CSA-C22.2 No. 61010-1, 2nd edition,

Interface
 RMO60E is equipped with an USB port

including Amendment 1
Electromagnetic Compatibility (EMC)

(optional: RS232) to connect to an external



CE conformityEMC standard 89/336/EEC

computer



EmissionEN 50081-2, EN 61000-3-2/3

B-RMO60EN-301-EN

Test Result Storage



Humidity 5 % - 95 % relative humidity,
non condensing





Storage & transportation:
-40 ºC - + 70ºC / -40 ºF - +158 ºF



Output data



Operating temperature:

Interference ImmunityEN 50082-2

RMO60E can store up to 500 measurements

2016-05-11

All specifications herein are valid at ambient temperature of + 25 °C and recommended accessories.
Specifications are subject to change without notice

3

Current cables

Extension current cables

Voltage sense cables

Test shunt

Transport case

Cable bag

Order info

B-RMO60EN-301-EN

Instrument with included accessories
Micro Ohmmeter RMO60E
DV-Win PC software
Ground cable
USB cable

Article No
RMO60E-N-00

Recommended accessories
Current cables 2 x 5 m 10 mm2
Sense cables 2 x 5 m with alligator clips
Transport case

Article No
C2-05-10LMB1
S2-05-02BPA1
HARD-CASE-ME

Optional
Cable bag
Test shunt 100 µΩ (600 A/60 mV)
Current cables 2 x 10 m, 10 mm² with battery clips
Current cables 2 x 15 m,16 mm² with battery clips
Current extension cable 2 x 10 m, 16 mm²
Sense cables, extension 2 x 10 m
Sense cables 2 x 10 m with alligator clips
Sense cables 2 x 15 m with alligator clips
Built-in thermal printer

Article No
CABLE-BAG-00
SHUNT-600-MK
C2-10-10LMB1
C2-15-16LMB1
E2-10-16LMLF
E2-10-02BPBP
S2-10-02BPA1
S2-15-02BPA1
PRINT-080-00

2016-05-11

IBEKO Power AB
Stockholmsvägen 18
181 50 Lidingö, Sweden

Contact
Phone: +46 70 0925 000
E-mail:sales@dv-power.com

4



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