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Designed for continuous machinery vibration monitoring in demanding industrial thermal conditions, the Bently Nevada 74712-06-05-02-00 provides precise case velocity measurements on critical rotating machinery. This high-temperature, two-wire transducer operates on moving-coil design principles, generating a voltage proportional to the vibration velocity without requiring external power. The specific configuration of this 74712 Seismoprobe model makes it highly suitable for structural vibration analysis on gas turbines, steam turbines, pumps, and fans where operating temperatures exceed standard sensor limits.
| Option Code | Option Type | Selected Configuration Description |
|---|---|---|
| 06 | Mounting Angle / Operating Frequency | 0 deg +/- 100 deg, 10 Hz (600 cpm) minimum operating frequency |
| 05 | Mounting Base | No base; 1/2-20 UNF-3A stud connection |
| 02 | Connector Option | Top Mount |
| 00 | Agency Approval | No Approvals |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model Series | 74712 High-Temperature Seismoprobe |
| Full Part Number | 74712-06-05-02-00 |
| Transducer Type | Self-generating, moving-coil velocity sensor |
| Mounting Angle | 0 deg +/- 100 deg (Horizontal mounting target) |
| Minimum Frequency | 10 Hz (600 cpm) |
| Mechanical Connection | 1/2-20 UNF-3A integral stud mount |
| Electrical Connection | Top-mounted multi-pin connector |
| Hazardous Area Certifications | None (Option 00) |
| Transducer Weight | 480 grams (17 ounces) typical |
| Shipping Weight (Calculated) | 1.5 kg (3.3 lbs) |
The 74712 series serves as a specialized, high-temperature replacement for standard velocity sensors such as the Bently Nevada 9200. Ensure that the associated monitoring system configuration (e.g., Bently Nevada 3500/42M) matches the expected electrical characteristics and low-frequency cut-off values of the 74712 transducer.
The "06" option dictates a horizontal mounting angle constraint. Attempting to install this unit vertically (90 degrees relative to horizontal) will cause the internal moving coil to rest off-center, leading to signal clipping, measurement errors, and premature internal mechanical wear. Operating temperature ranges must be kept within the physical limits of the transducer's internal assemblies to prevent coil insulation degradation.
When routing cables from the top-mount connector, provide an adequate drip loop and strain relief. High-temperature environments generate mechanical stress, so armored, shielded cables should be securely tied down to structural points nearby rather than being allowed to hang from the connector head.
Isolate the machine and ensure it is in a zero-energy state before drilling, tapping, or mounting the sensor. Physical impact or excessive torque applied directly to the transducer body during installation can permanently damage the internal moving-coil alignment.
Prepare a clean, flat surface on the bearing housing perpendicular to the desired measurement axis.
Verify that the mounting thread matches the 1/2-20 UNF-3A stud specification precisely.
Apply thread-locking compound if required by plant specifications, and torque the transducer base using the flat wrench surfaces only. Do not torque by gripping the sensor body.
Attach the top-mount connector and secure the cable shield to the designated monitoring rack ground to prevent electro-magnetic interference.
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Designed for continuous machinery vibration monitoring in demanding industrial thermal conditions, the Bently Nevada 74712-06-05-02-00 provides precise case velocity measurements on critical rotating machinery. This high-temperature, two-wire transducer operates on moving-coil design principles, generating a voltage proportional to the vibration velocity without requiring external power. The specific configuration of this 74712 Seismoprobe model makes it highly suitable for structural vibration analysis on gas turbines, steam turbines, pumps, and fans where operating temperatures exceed standard sensor limits.
| Option Code | Option Type | Selected Configuration Description |
|---|---|---|
| 06 | Mounting Angle / Operating Frequency | 0 deg +/- 100 deg, 10 Hz (600 cpm) minimum operating frequency |
| 05 | Mounting Base | No base; 1/2-20 UNF-3A stud connection |
| 02 | Connector Option | Top Mount |
| 00 | Agency Approval | No Approvals |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model Series | 74712 High-Temperature Seismoprobe |
| Full Part Number | 74712-06-05-02-00 |
| Transducer Type | Self-generating, moving-coil velocity sensor |
| Mounting Angle | 0 deg +/- 100 deg (Horizontal mounting target) |
| Minimum Frequency | 10 Hz (600 cpm) |
| Mechanical Connection | 1/2-20 UNF-3A integral stud mount |
| Electrical Connection | Top-mounted multi-pin connector |
| Hazardous Area Certifications | None (Option 00) |
| Transducer Weight | 480 grams (17 ounces) typical |
| Shipping Weight (Calculated) | 1.5 kg (3.3 lbs) |
The 74712 series serves as a specialized, high-temperature replacement for standard velocity sensors such as the Bently Nevada 9200. Ensure that the associated monitoring system configuration (e.g., Bently Nevada 3500/42M) matches the expected electrical characteristics and low-frequency cut-off values of the 74712 transducer.
The "06" option dictates a horizontal mounting angle constraint. Attempting to install this unit vertically (90 degrees relative to horizontal) will cause the internal moving coil to rest off-center, leading to signal clipping, measurement errors, and premature internal mechanical wear. Operating temperature ranges must be kept within the physical limits of the transducer's internal assemblies to prevent coil insulation degradation.
When routing cables from the top-mount connector, provide an adequate drip loop and strain relief. High-temperature environments generate mechanical stress, so armored, shielded cables should be securely tied down to structural points nearby rather than being allowed to hang from the connector head.
Isolate the machine and ensure it is in a zero-energy state before drilling, tapping, or mounting the sensor. Physical impact or excessive torque applied directly to the transducer body during installation can permanently damage the internal moving-coil alignment.
Prepare a clean, flat surface on the bearing housing perpendicular to the desired measurement axis.
Verify that the mounting thread matches the 1/2-20 UNF-3A stud specification precisely.
Apply thread-locking compound if required by plant specifications, and torque the transducer base using the flat wrench surfaces only. Do not torque by gripping the sensor body.
Attach the top-mount connector and secure the cable shield to the designated monitoring rack ground to prevent electro-magnetic interference.
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
|