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Designed for demanding high-temperature vibration monitoring environments, the Bently Nevada 74712-01-10-02-00 industrial velocity transducer provides critical machine casing measurements. This self-generating, two-wire sensor is specifically designed to measure structural velocity on gas turbines, steam turbines, or other high-temperature rotating machinery. Operating on an electrodynamic moving-coil design, the Bently Nevada 74712-01-10-02-00 provides a voltage output directly proportional to the vibration velocity, requiring no external power supply for signal generation.
| Option Code | Parameter Description | Selected Value |
|---|---|---|
| 01 | Mounting Angle & Min Operating Frequency | 0 +/-2.5 degrees, 4.5 Hz (270 cpm) |
| 10 | Mounting Base | Circular M10X1 Thread |
| 02 | Connector Orientation | Top Mount |
| 00 | Agency Approval | No Approvals Standard |
| Specification | Value / Detail |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 74712-01-10-02-00 |
| Transducer Type | Electrodynamic Moving-Coil Velocity Transducer |
| Operating Temperature Range | -29 degC to +204 degC (-20 degF to +400 degF) |
| Frequency Response Minimum | 4.5 Hz (270 cpm) |
| Mounting Configuration | Vertical (0 +/-2.5 degrees) |
| Physical Height | 102 mm (4.0 in) typical |
| Physical Diameter | 41 mm (1.6 in) typical |
| Net Transducer Weight | 0.48 kg (1.06 lbs) |
| Shipping Weight (Calculated) | 2.0 kg (4.4 lbs) |
| Country of Origin | United States (U.S.A.) |
The 74712 velocity transducer series serves as a specialized, self-generating alternative to standard Piezoelectric Velocity Transducers (PVTs) in superheated environments where active electronics would fail. Ensure your monitor channel cards (such as the Bently Nevada 3500/42M) are explicitly configured to accept moving-coil (seismic) sensors. Attempting to run this on a standard accelerometer or IEPE channel configuration will produce signal clipping or no-reading errors.
Never exceed the maximum structural temperature of 204 degC. Even though the body is designed for high temperatures, the interconnecting cabling must be insulated with FEP or glass braid. Avoid routing signal cabling along steam piping or unprotected thermal bridges without proper standoff brackets. Because this is a moving-coil sensor, physical drop damage can misalign the internal suspension springs, causing permanent sensitivity loss or signal distortion.
Always verify that the mounting surface is machined flat to at least 0.02 mm (0.001 inches) and free of rust or slag. Tighten the sensor to the specified torque. Avoid over-torqueing, which can warp the base and degrade the transducer frequency response. Ensure the shielding drain wire is only grounded at the system monitor panel; grounding both ends can induce ground loop noise into your turbine casing measurements.
Ensure the machine is completely de-energized, depressurized, and cooled to ambient levels before performing installation. Direct contact with hot casing surfaces can cause severe personal injury. De-energize all power lines in the conduit route to prevent accidental electrical shock.
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Designed for demanding high-temperature vibration monitoring environments, the Bently Nevada 74712-01-10-02-00 industrial velocity transducer provides critical machine casing measurements. This self-generating, two-wire sensor is specifically designed to measure structural velocity on gas turbines, steam turbines, or other high-temperature rotating machinery. Operating on an electrodynamic moving-coil design, the Bently Nevada 74712-01-10-02-00 provides a voltage output directly proportional to the vibration velocity, requiring no external power supply for signal generation.
| Option Code | Parameter Description | Selected Value |
|---|---|---|
| 01 | Mounting Angle & Min Operating Frequency | 0 +/-2.5 degrees, 4.5 Hz (270 cpm) |
| 10 | Mounting Base | Circular M10X1 Thread |
| 02 | Connector Orientation | Top Mount |
| 00 | Agency Approval | No Approvals Standard |
| Specification | Value / Detail |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 74712-01-10-02-00 |
| Transducer Type | Electrodynamic Moving-Coil Velocity Transducer |
| Operating Temperature Range | -29 degC to +204 degC (-20 degF to +400 degF) |
| Frequency Response Minimum | 4.5 Hz (270 cpm) |
| Mounting Configuration | Vertical (0 +/-2.5 degrees) |
| Physical Height | 102 mm (4.0 in) typical |
| Physical Diameter | 41 mm (1.6 in) typical |
| Net Transducer Weight | 0.48 kg (1.06 lbs) |
| Shipping Weight (Calculated) | 2.0 kg (4.4 lbs) |
| Country of Origin | United States (U.S.A.) |
The 74712 velocity transducer series serves as a specialized, self-generating alternative to standard Piezoelectric Velocity Transducers (PVTs) in superheated environments where active electronics would fail. Ensure your monitor channel cards (such as the Bently Nevada 3500/42M) are explicitly configured to accept moving-coil (seismic) sensors. Attempting to run this on a standard accelerometer or IEPE channel configuration will produce signal clipping or no-reading errors.
Never exceed the maximum structural temperature of 204 degC. Even though the body is designed for high temperatures, the interconnecting cabling must be insulated with FEP or glass braid. Avoid routing signal cabling along steam piping or unprotected thermal bridges without proper standoff brackets. Because this is a moving-coil sensor, physical drop damage can misalign the internal suspension springs, causing permanent sensitivity loss or signal distortion.
Always verify that the mounting surface is machined flat to at least 0.02 mm (0.001 inches) and free of rust or slag. Tighten the sensor to the specified torque. Avoid over-torqueing, which can warp the base and degrade the transducer frequency response. Ensure the shielding drain wire is only grounded at the system monitor panel; grounding both ends can induce ground loop noise into your turbine casing measurements.
Ensure the machine is completely de-energized, depressurized, and cooled to ambient levels before performing installation. Direct contact with hot casing surfaces can cause severe personal injury. De-energize all power lines in the conduit route to prevent accidental electrical shock.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|