Bently Nevada 21504-00-32-10-02 8mm Proximity Probe
- Manufacturer: Bently Nevada
- Series: 7200 Series 8mm Proximity Transducer System
- Probe Type: 8 mm (0.315 in) diameter, Standard Mount (Part 21504)
- Dimensions: 32 mm case length, 0.0 in unthreaded length
- Cable Length: 1.0 meter (3.9 ft)
- Connector: Miniature male coaxial
- Performance: 80 mils (2.0 mm) linear range, 200 mV/mil (7.87 V/mm) scale factor
- Response: 0 Hz to 10 kHz (-5% @ 10 kHz)
- Power: -17.5 Vdc to -26 Vdc
- Temperature Range: -34°C to +177°C (-30°F to +350°F)
- Compliance: API 670
- Radial Vibration Measurement: Monitoring shaft vibration to indicate bearing condition and detect rotor imbalance, misalignment, or shaft cracks in rotating machinery.
- Axial Thrust Position: Determining the relative position of a shaft to monitor thrust bearing wear and prevent potential catastrophic bearing failure.
- Shaft Average Radial Position: Calculating the attitude angle to assess rotor stability and maintain proper shaft alignment during operation.
- Reciprocating Machinery Monitoring: Measuring rod drop and vibration in reciprocating compressors to ensure mechanical integrity.
- Critical Asset Protection: Integrated into machinery protection systems for continuous monitoring of gas/steam turbines, pumps, centrifuges, and electric motors.
- Non-Contact Displacement Sensing: Any industrial application requiring high-precision, non-contacting distance measurement between the probe tip and a conductive metal target.
When sourcing Bently Nevada parts like the 21504 probe, you understand the challenges of stock availability and extended lead times. This is precisely why customers turn to Amikon.
We specialize in high-end industrial automation and PLC/DCS components that major manufacturers may classify as "legacy" or keep on indefinite backorder. Our focused expertise in brands like Bently Nevada and ABB ensures our warehouse contains precisely the hard-to-find components essential for maintaining plant operations.
Our service approach prioritizes responsiveness. Rather than automated ticket systems and prolonged delays, our team typically reviews and responds to quote requests within the hour. We recognize that downtime costs money, so we eliminate corporate bureaucracy and expedite solutions. If you require photos of actual products or serial numbers before purchasing, we provide them promptly.
Essentially, we are specialists who understand these components thoroughly and streamline the procurement process to meet your operational needs efficiently.
The 21504-00-32-10-02 is basically a non-contact displacement probe from the 7200 Series 8mm system. It’s used for vibration and shaft position measurement on rotating equipment. Nothing too complicated in concept — it relies on eddy current to sense the gap between the probe tip and a metal target like a steel shaft, then turns that into an electrical signal through the Proximitor.
- Industrial Durability: Built with a PPS probe tip and stainless steel housing. It’s made for rough environments, so corrosion, heat, and mechanical stress usually aren’t a big issue for it.
- Precision Linear Range: Around 80 mil (2.0 mm) usable range. Enough for stable position reading and vibration monitoring, both steady and dynamic.
- Hermetic Sealing: The probe and cable are sealed well, so it can run in higher pressure areas or even inside oil-filled housings without much trouble from moisture.
- API 670 Compliance: Designed according to API 670 standards, basically means it’s suitable for machinery protection in oil, gas, and power plant applications where reliability matters.
- Enhanced Signal Stability: Uses a gold-plated mini coax connector, mainly to keep the signal clean and stable, and to reduce issues like oxidation over long-term use.
- Thermal Stability: Works across a fairly wide temperature range, and still holds measurement accuracy even when the machine temperature goes up and down during operation.
The 21504-00-32-10-02 comes with a 32 mm fully threaded body, no unthreaded section, and a built-in 1.0-meter cable. It ends with a mini male coax connector, so installation is usually pretty straightforward in industrial systems.
| Part Number | Part Number |
|---|---|
| 330104-00-16-10-02-00 | 18622-030-01 |
| 330703-000-040-10-02-00 | 330101-30-63-10-02-CN |
| 330930-065-00-05 | 330104-03-06-05-02-00 |
| 3500/22M 138607-01 | 330104-05-15-05-02-00 |
| 330103-00-05-50-12-00 | 330101-00-60-10-02-00 |
| 330703-000-060-10-02-CN | 330709-000-070-10-02-00 |
| 3500/53M 286566-01 | 330101-00-56-10-02-00 |
| 330103-00-04-05-02-05 | 330103-00-03-10-02-00 |
| 330103-00-05-05-02-CN | 330106-05-30-15-02-CN |
| 330103-03-06-05-02-00 | 21000-28-10-00-098-04-02 |
| 330106-05-30-05-02-CN | 21000-28-10-00-217-04-02 |
| 330180-91-CN | 330104-00-05-10-02-00 |
| 330103-00-07-05-02-00 | 330101-00-08-20-02-05 |
| 330930-065-01-05 | 330130-070-00-00 |
| 990-05-50-02-01 | 330130-080-01-05 |
| 136483-01 | 330703-000-060-50-12-00 |
| 81544-01 | 330103-00-06-15-02-CN |
| 82365-01 | 330130-030-01-CN |
| 82367-01 | 102044-00-18-10-02 |
| 84147-01 | 144181-50 |
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