190501 Velomitor CT Transducer Datasheet - 141636
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141636, 190501, Velomitor CT Transducer, Datasheet
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190501 Velomitor CT Transducer Datasheet - 141636
190501-Datasheet 190501 Velomitor CT Transducer
Datasheet
Bently Nevada Machinery Condition Monitoring
141636 Rev. AC
Description
The Velomitor CT Velocity Transducer is a low-frequency version of our standard Velomitor Piezo-velocity Sensor. Its design specifically measures casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm (100 to 300 rpm typical).
The Velomitor CT Transducer can measure vibration amplitudes at these frequencies as well as the vibration frequencies generated by the fan motor and speed reducer.
If you are measuring a machine housing to determine where to install transducers, consider what kinds of data you need to obtain. Most common machine malfunctions (imbalance, misalignment, and so forth) originate at the rotor and cause a change in rotor vibration. The location you select on the housing must accurately conduct rotor vibration to the transducer.
Install the transducer carefully. If you don't, the transducer may not accurately detect vibrations and can transmit invalid data. Bently Nevada provides engineering services to accurately measure machine housings and to install transducers.
190501 Velomitor CT Transducer Datasheet
Specifications
Parameters are specified from +20 °C to +30 °C (+68 °F to +86 °F) and 100 Hz unless otherwise indicated.
Operating the transducer outside the specified limits will result in false readings or loss of machine monitoring.
Electrical
Sensitivity
3.94 mV/mm/s (100 mV/in/s) ±5%.
Frequency Response
3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB
1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB
Temperature -8% to +5% typical over the Sensitivity operating temperature range.
Velocity Range
63.5 mm/s pk (2.5 in/s pk) see Operating Range for Metric Units on page 14. See Operating Range for English Units on page 15.. Vibration components in excess of 10g pk above 1 kHz can significantly reduce this range.
Transverse Response
Less than 5% of the axial sensitivity.
Amplitude Linearity
±2% to 63.5 mm/s pk (2.5 in/s pk)
Mounted Resonant Frequency
9 kHz, minimum (stud mounted, except quick disconnect)
Output Bias 10.1 Vdc ± 1.0 Vdc, Pin A
Voltage
referenced to Pin B
Dynamic Output Impedance
<400 typical
Broadband Noise Floor (1.5 Hz to 1
0.229 mm/s (0.009 in/s) pk. For more information, see
kHz)
Base Strain Sensitivity Grounding
Maximum Cable Length
141636 Rev. AC
Typical Low Frequency Noise Floor on page 16.
0.43 mm/s/strain (0.017 in/s/strain).
Internal electronics are isolated from case.
305 metres (1,000 ft.) of cable (part number 02173006) with no degradation of signal.
Maximum continuous length of cable available is 91.44 metres (300 ft.) If longer lengths are required they must be spliced or have a connector installed on them.
Environmental Limits
Operating -40 °C to +85 °C (-40 °F to +185 Temperature °F).
Storage
-40 °C to +100 °C (-40 °F to +212
Temperature °F).
Shock Limit 5000 g pk, maximum.
Humidity Limit
100% condensing, non-submerged.
Magnetic
<0.0068 mm/s/gauss (0.268
Field
mil/s/gauss) @ 50 gauss, 50-
Susceptibility 60Hz
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190501 Velomitor CT Transducer Datasheet
Mechanical
Weight
<297 g (10.5 oz.), typical.
Mounting Surface
33 mm diameter (1.3 in diameter).
Height
82 mm (3.2 in).
Case Material
316L stainless steel
Connector 2-pin 316L stainless steel MIL-C5015, top.
Mounting Torque
4.5 N-m ± 0.6 N-m (40 inlbf ± 5 in-lbf).
Polarity
Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer.
Mounting Angle
Any orientation.
For more information on this product, please refer to the Velomitor CT PiezoVelocity Transducer User Guide (document 125389).
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190501 Velomitor CT Transducer Datasheet
Compliance and Certifications
FCC
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
l This device may not cause harmful interference.
l This device must accept any interference received, including interference that may cause undesired operation.
EMC
EMC Directive 2014/30/EU
RoHS
RoHS Directive 2011/65/EU
Maritime
330400 and 330425 only
ABS 2009 Steel Vessels Rules 1-1-4/7.7,4-8-3/1.11.1,4-9-7/13
Hazardous Area Approvals
For the detailed listing of country and product specific approvals, refer to the Approvals Quick Reference Guide (108M1756) available from Bently.com.
CSA/NRTL/C
190501 (Agency Approval Options 01 through 04)
Intrinsically Safe
Ex ia IIC T4: Class I, Div 1, Groups A, B, C, D. Class II, Group E, F and G Class III
AEx ia IIC T4:
141636 Rev. AC
Class I, Div 1, Groups A, B, C, D; Class II, Groups E, F, G Class III
Install per drawing 167536
T4 @ -40 °C Ta +100 °C (-40 °F Ta +212 °F)
Intrinsically Safe and NonIncendive
Ex nL IIC T4 Class I, Division 2, Groups A, B, C and D
AEx nA T4 Class I, Division 2, Groups A, B, C and D
Install per drawing 167536
T4 @ -40 °C Ta +100 °C (-40 °F Ta +212 °F)
330400, 330425
Ex ia IIC T4 AEx ia IIC T4 Class I, Div 1 Groups A, B, C and D Class II, Groups E, F, and G Class III
330500
T4 @ -40°C Ta 100°C Install per dwg 167538
Ex ia IIC T4 AEx ia IIC T4 Class I, Division 1, Groups A, B, C and D Class II, Groups E, F, G Class III
Install per dwg 167537 T4 @ -40°C Ta 100°C
Ex nL IIC T4 AEx nA IIC T4 Class I, Div 2, Groups A, B, C, D
330525
Install per dwg 167537 T4 @ -40°C Ta 100°C
Ex ia IIC T4 AEx ia IIC T4 Class I, Division 1, Groups A, B, C and D Class II, Groups E, F, G Class III
T4 @ -40°C Ta 100°C
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190501 Velomitor CT Transducer Datasheet
Ex nL IIC T4 AEx nA IIC T4 Class I, Div 2, Groups A, B, C, D
Install per dwg 167539 T4 @ -40°C Ta 100°C
ATEX/IECEx
190501, 330400, 330425, 330500, 330525
190501
II 1 G Ex ia IIC T4 Ga
II 3 D Ex na IIC T4 Gc Ex tc III T130°C Dc
T4@ Ta = -55°C to 121°C
Entity Parameters
Zone 0/1 Ui= 30V Ii= 200mA Pi= 0.75W Ci-27.2nF Li= 0
Zone 2 Ui= 30V Ii= 200mA Pi= 1.14W
330400, 330425, 330500, 330525
II 1 G Ex ia IIC T4 Ga
Entity Parameters
II 3 D Ex na IIC T4 Gc Ex tc III T130°C Dc
T4@ Ta = -55°C to 121°C
Zone 0/1 Ui= 28V Ii= 150mA Pi= 0.84W
Zone 2 Ui= 28V Ii= 150mA Pi= 1.26W
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Ci-10.8nF Li= 0
141636 Rev. AC
190501 Velomitor CT Transducer Datasheet
Hazardous Area Conditions of Safe Use
ATEX/IECEx
Zone 0/1:
Equipment must be connected to equipment, which meets the abovelisted entity parameters.
The cables type A or B (in compliance with EN 60079-25) must respect the cable parameters listed with the entity parameters.
Zone 2 :
The supply electrical parameters shall not exceed the values mentioned in the tables above.
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190501 Velomitor CT Transducer Datasheet
Ordering Information
Velomitor CT Velocity Transducer
190501 - AA - BB - CC
A: Mounting Hardware Option
0 0
No stud
0 1
Stud 3/8-in 24 to 3/8-in 24
0 2
Stud 3/8-in 24 to 1/2-in 20
0 3
Adhesive Stud 3/8-in 24
0 4
Stud M6x1 with 3/8-in 24 adapter
0 5
Adhesive Stud M6x1 with 3/8-24
adapter
0 6
Stud 3/8-in 24 to 1/4-in 28
0 7
Plate Stud 3/8-in 24 to 3/8-in 24
0 8
Plate Stud 3/8-in 24 to 1/2-in 20
0 9
Plate Stud 3/8-in 24 to 1/4-in NPT
1 0
Plate Stud M6x1 to M6x1with 3/8-
in 24 adapter
1 1
Plate Stud 3/8-in 24 to 1/4-in 28
1 2
Plate Stud 3/8-in 24 to M8x1
1 3
Quick disconnect stud
1 4
Adapter, 3/8-in 24 to 1/4-in 20
1 5
Adapter, 3/8-in 24 to 5/16-in 18
1 6
Adapter, 3/8-in 24 to 3/8-in 24
1 7
Adapter, 3/8-in 24 to 3/8-in 16
1 8
Adapter, 3/8-in 24 to 1/2-in 13
1 9
Adapter, 3/8-in 24 to 1/4-in 18
NPT
2 0
Adapter, 3/8-in 24 to 3/8-in 18
NPT
2 1
Adapter, 3/8-in 24 to 1/2-in 14
141636 Rev. AC
NPT
2 2
Adapter, 3/8-in 24 to 3/4-in 14
NPT
2 3
Adapter, 3/8-in 24 to 1.0-in 11.5
NPT
2 4
Adapter, 3/8-in 24 to 1.25-in 11.5
NPT
B: Connection Option
0 0
MIL-C-5015 connection interface
9 9
Unit with included 32-foot cable
C: Agency Approval Option
0 0
No Approvals
0 1 through CSA/NRTL/C (Class I, Division 1),
0 4
ATEX/IECEx/CSA (Class I, Zone
0/1)
Interconnect Cable
CB2W100 - AAA
Description: Connectors: MIL-C 5015, 2 Socket, Splash Proof, Premium, isolated to blunt cut, Cable: 20 AWG, twisted pair, shielded, yellow Teflon jacket. LOCKING RING, ADAPTER SEAL, AND O-RING ARE INCLUDED.
A: Length
0 1 5
15 feet (4.57 metres)
0 3 2
32 feet (9.75 metres)
0 6 4
64 feet (19.5 metres)
1 1 2
112 feet (34.1 metres)
1 2 5
125 feet (38.1 metres)
1 5 0
150 feet (45.7 metres)
2 0 0
200 feet (61.0 metres)
2 5 0
250 feet (76.2 metres)
Accessories
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190501 Velomitor CT Transducer Datasheet
128608-02 1/2-in NPT conduit adapter
0428402001
Adhesive mount base kit. The adhesive mount base kit design is for machines with thin casings that do not permit drilling and tapping a mounting hole. Kit contains material (adhesive and bases) for 2 each 3/8-in 24 UNF adhesive-mount bases. One kit can outfit 2 Velomitor CT Transducers.
Spare Mounting Adapters
All mounting adapters are made from 300 series stainless steel.
Standard Studs
04365657 87910-01 87931-01
87055-01 89139-01
3/8-in 24 to 3/8-in 24 stud 3/8-in 24 to 1/2-in 20 stud M6x1 to M6x1 metric stud (requires metric adapter) 3/8-in 24 to M6x1 metric adapter 3/8-in 24 to 1/4-in 28 stud
Hex Plate Studs
107756-01 107755-01 107754-01 107757-01
125094-01
128038-01
3/8-in 24 to 3/8-in 24 plate stud
3/8-in 24 to 1/2-in 20 plate stud
3/8-in 24 to 1/4-in NPT plate stud
M6x1 to M6x1 plate stud (requires metric adapter)
3/8-in 24 to M8x1 metric plate stud
3/8-in 24 to 1/4-in 28 Plate Stud
Quick Disconnect Components
The following three components are included with the quick disconnect mounting option for the Velomitor CT Transducer. The quick disconnect option allows you to remove the
141636 Rev. AC
transducer without rotating it, allowing you to keep the cable connected to the transducer.
128689-01 43055-01 128690-01
3/8-in 24 to 1¾-in 16 quick disconnect stud base. Attached to the machine.
1¾-in 16 mounting base nut. Interface between stud base and transducer piece.
3/8-in 24 quick disconnect stud transducer piece. Attached to the Velomitor CT Transducer.
Fittings
Conduit fittings allow connection of flexible, metal, liquid-tight conduit or armor to the conduit adapter.
03839201
1/2-in NPT straight male conduit fitting. For connecting flexible, liquid-tight conduit to the conduit adapter or a weatherproof enclosure.
03850000
1/2-in NPT straight, male compression-type fitting. For connecting TeflonTM-coated 3/8-in stainless steel armor to the transducer or a weatherproof enclosure. Fitting will fit TeflonTM-coated armor with a maximum outer diameter of 13.8 mm (0.543 in) (including TeflonTM thickness).
[caption]
Teflon-Coated Stainless Steel Armor
106924-AA
This part includes the Teflon-coated armor but not the cable. You will require 2 1/2-in NPT compression fittings (part number 03850000) to attach the armor to the conduit adapter and terminate it at an enclosure.
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190501 Velomitor CT Transducer Datasheet
A: Armor Length Option in Feet Order in increments of 10 ft (3.0 m) Minimum Length: 10 ft (3.0 m) Maximum Length: 60 ft (18.3 m)
Flexible Metal Conduit
14847-AA
A: Flexible Conduit Length Option in Feet
Order in increments of 1 ft (0.3 m) Minimum Length: 01 ft (0.3 m) Maximum Length: 99 ft (30.2 m)
106769-01
Terminal housing. Provides a convenient interface between the transducer signal cable and monitor signal cable.
141636 Rev. AC
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190501 Velomitor CT Transducer Datasheet
Graphs and Figures
Note: All dimensions shown are in millimeters (inches) unless noted otherwise.
141636 Rev. AC
1. 1/2" NPT x 12.2 DP (1/2" NPT x 0.48 DP) 2. 35.6 (1.40) diameter 3. Cable (not included) 4. Conduit adaptor P/N 128608-02 (not included) 5. 31.8 (1.25) hex flat 6. 31.5 (1.24) diameter 7. 3/8-24 UNF X 8.9 DP (3/8-24 UNF X 0.35 DP) Figure 1: Velomitor CT Outline Drawing
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190501 Velomitor CT Transducer Datasheet
Spare Mounting Adapters
141636 Rev. AC
All mounting adapters are made from 300 series stainless steel. Illustrations shown are not to scale.
Table 1: Standard Studs
Part Number 04365657
Size 3/8-24 to 3/8-24
Illustration
87055-01 87910-01
3/8-24 to M6X1 3/8-24 to 1/2-20
87931-01 89139-01
M6X1 to M6X1 3/8-24 to 1/4-28
Part Number 04284020
Table 2: Adhesive Studs Size
3/8-24
Table 3: 1-3/8 Hex Plate Studs
Illustration
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190501 Velomitor CT Transducer Datasheet
Part Number
107754-01
Size 3/8-24 UNF to 1/4 NPT
141636 Rev. AC Illustration
107755-01
3/8-24 UNF to 1/2-20 UNF
107756-01
3/8-24 to 3/8-24
197757-01 125094-01 128038-01
M6X1 to M6X1 3/8-24 UNF to M8X1 3/8-24 UNF to 1/4-28 UNF
Part Number 43055-01
128689-01
Table 4: Quick Disconnect Studs Description
Union Mounting Base Nut
Quick Disconnect Stud Base
Illustration
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190501 Velomitor CT Transducer Datasheet
Part Number 128690-01
Graphs
Description
Quick Disconnect Transducer Piece
141636 Rev. AC Illustration
Figure 2: Typical Phase Response
Figure 3: Typical Amplitude Response 13/17
190501 Velomitor CT Transducer Datasheet
141636 Rev. AC
1. Velocity axis (mm/s peak-peak) 2. Displacement axis (mm peak-peak) 3. Acceleration axis (m/s2 peak-peak) Figure 4: Operating Range for Metric Units
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190501 Velomitor CT Transducer Datasheet
141636 Rev. AC
1. Velocity axis (in./s peak-peak) 2. Displacement axis (in. peak-peak) 3. Acceleration axis (g peak-peak) Figure 5: Operating Range for English Units
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190501 Velomitor CT Transducer Datasheet
141636 Rev. AC
Figure 6: Typical Low Frequency Noise Floor
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190501 Velomitor CT Transducer Datasheet
Copyright 2020 Baker Hughes Company. All rights reserved.
141636 Rev. AC
Bently Nevada, Orbit Logo and Velomitor are registered trademarks of Bently Nevada, a Baker Hughes Business, in the United States and other countries. The Baker Hughes logo is a trademark of Baker Hughes Company. All other product and company names are trademarks of their respective holders. Use of the trademarks does not imply any affiliation with or endorsement by the respective holders.
Baker Hughes provides this information on an "as is" basis for general information purposes. Baker Hughes does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use. Baker Hughes hereby disclaims any and all liability for any direct, indirect, consequential or special damages, claims for lost profits, or third party claims arising from the use of the information, whether a claim is asserted in contract, tort, or otherwise. Baker Hughes reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation. Contact your Baker Hughes representative for the most current information.
The information contained in this document is the property of Baker Hughes and its affiliates; and is subject to change without prior notice. It is being supplied as a service to our customers and may not be altered or its content repackaged without the express written consent of Baker Hughes. This product or associated products may be covered by one or more patents. See Bently.com/legal.
1631 Bently Parkway South, Minden, Nevada USA 89423 Phone: 1.775.782.3611 or 1.800.227.5514 (US only) Bently.com
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