Bently Nevada 74712-06-05-03-00 Seismoprobe Velocity Transducer

Overview
The Bently Nevada 74712-06-05-03-00 Seismoprobe Velocity Transducer is a passive field sensing device used for machine casing and bearing housing vibration monitoring. This velocity transducer adopts moving-coil sensing technology to convert mechanical vibration velocity into standard analog voltage signals for rear-end vibration monitoring systems.
Unlike conventional piezoelectric vibration sensors, the 74712-06-05-03-00 requires no external power source during operation. It supports stable data collection in high-temperature industrial environments, making it suitable for long-term condition monitoring of rotating machinery in thermal power, petrochemical and heavy industrial sites.
Note: Model 74712 is a high-temperature version of the 9200 series.
Related products: 74712-03-10-02-00/74712-01-10-02-00
🚀Function & Features
- Moving-Coil Passive Sensing Operation
Internal movable coil components generate induced voltage synchronously with equipment vibration displacement and frequency changes. The output signal maintains a linear correspondence with actual machine vibration velocity, delivering accurate and repeatable field data for industrial vibration monitoring loops. The structural design reduces signal distortion caused by instantaneous mechanical impact.
- Wide Frequency Band Vibration Acquisition
Covering a frequency response range of 10Hz to 1000Hz, the transducer captures full-spectrum vibration data generated by medium and high-speed rotating equipment. It records vibration changes caused by bearing wear, mechanical looseness, structural resonance and other common equipment faults, providing valid data basis for equipment fault diagnosis and trend analysis.
- Simplified On-site Wiring Structure
The passive two-wire design eliminates external power wiring, simplifying field wiring layout for vibration monitoring systems. Fewer wiring nodes reduce daily circuit failure risks and lower the difficulty of later circuit inspection and maintenance for on-site technicians.
- High Temperature Adaptive Continuous Monitoring
The internal coil packaging and structural components adapt to wide temperature fluctuations. The transducer keeps consistent sensing accuracy and signal linearity during 24/7 continuous operation in high-temperature equipment environments, meeting the long-term monitoring demands of industrial rotating units.

Specification
|
Part Number |
74712-06-05-03-00 |
|
Product Type |
Seismoprobe Velocity Transducer |
|
Standard Sensitivity |
20 mV/mm/s (500 mV/in/s), ±5% tolerance |
|
Frequency Response |
10Hz ~ 1000Hz (+0 / -3dB) |
|
Maximum Vibration Displacement |
2.54mm (0.100in) peak-to-peak |
|
Standard Velocity Monitoring Range |
25mm/s (1in/s) typical |
|
Coil Resistance |
1.25kΩ ±5% |
|
Shock Resistance |
50g peak impact tolerance |
|
Operating Temperature Range |
-29°C ~ +204°C (-20°F ~ +400°F) |
|
Mounting Standard |
1/2-in 20 UNF-3A stud mounting |
|
Calibration Load |
10kΩ standard load |
|
Matching Cables |
9571 / 84661 dedicated connecting cables |
Comparison with similar models :
|
Model |
Temperature Resistance |
Applicable Scenario |
|
74712-06-05-03-00 |
-29°C ~ +204°C high temperature resistance |
High-temperature equipment casing and bearing vibration monitoring |
|
9200 Seismoprobe |
Only suitable for normal temperature environment |
Conventional room-temperature mechanical vibration monitoring |
Questions & Answers
💡 FAQ
Q: What is the brand?
A: Bently Nevada
Q: What is the type?
A: Seismoprobe Velocity Transducer
Q: What are the differences between 74712-06-05-03-00 and ordinary industrial vibration sensors?
A: This seismoprobe adopts passive moving-coil design without external power supply, and supports continuous operation in high-temperature environments up to 204°C. It maintains stable signal output in high-heat industrial scenarios where ordinary piezoelectric sensors cannot work properly.
Q: Which monitoring devices can match the 74712-06-05-03-00 transducer?
A: It is compatible with Bently Nevada 1900/65A vibration monitors and 50 series monitoring systems. It can be directly connected with conventional industrial vibration data acquisition instruments for signal collection and analysis.
Q: What cables are used for the 74712-06-05-03-00 connection?
A: The transducer supports 9571 and 84661 series dedicated connecting cables. Armored cables are recommended for on-site environments with serious electromagnetic interference and high temperature.
Q: What is the warranty?
A: 1 year
Q: Where is the shipping location?
A: Xiamen
Q: What is the payment method?
A: T/T
Q: Why choose us?
A: We are the supplier for industrial automation spare parts,We speciaized in PLC DCS and TSl system modules and spare parts for 10 years, With our professional expertise and extensive experience, we are well-equipped to meet your requirements.
Contact us
Our address
Room 1904, Building B, Diamond Coast, No. 96 Lujiang Road, Siming District, Xiamen, Fujian, China
Phone Number
+86 18059276824
sales7@nseauto.com

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