The Bently Nevada 21504-000-012-10-02 is a non-contact eddy-current proximity probe used for shaft position, displacement, and vibration monitoring in industrial rotating machinery
applications. This type of sensor is a core component of predictive maintenance and machinery protection systems and interfaces
with proximity amplifiers (Proximitors) and condition monitoring hardware.
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FAQ Q: What is a standard-mount proximity probe? A: It’s a sensor that uses eddy-current sensing to detect tiny changes in distance between the probe tip and a metallic shaft surface without touching it. The resulting signal reflects shaft vibration and displacement, which machine monitoring systems use for diagnostics and protection. Q: What does “21504-000-012-10-02” actually mean? A: Bently Nevada part numbers encode configuration details:
Q: What kind of systems does this probe work with? A: It typically connects to Proximitor amplifiers or vibration monitors (such as Bently Nevada 3300 or 9000 series or third-party conditioners) that can accept eddy-current proximity inputs. |
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3300 XL Proximity Probe
3300 Proximitor Sensor
3500 Power Supply
1900/65A
3500/42 Monitor Module
The 990 Vibration Transmitter
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| 330130-040-02-CN | 330104-10-18-10-01-00 | 330104-03-06-05-02-00 |
| 330130-040-02-00 | 330104-08-16-10-02-00 | 330104-02-12-50-02-00 |
| 330130-040-01-CN | 330104-08-14-10-02-05 | 330104-02-10-10-02-00 |
| 330130-040-01-05 | 330104-06-14-50-02-00 | 330104-01-08-50-01-CN |
| 330130-040-01-00 | 330104-06-14-10-02-00 | 330104-01-06-10-02-00 |
| 330130-040-00-CN | 330104-06-12-10-02-00 | 330104-01-05-10-02-00 |
| 330104-13-20-10-02-00 | 330104-05-15-05-02-00 | 330104-00-25-10-02-05 |
| 330104-12-20-10-01-00 | 330104-05-10-10-02-05 | 330104-00-25-10-02-00 |
| 330104-10-20-10-02-05 | 330104-03-09-10-02-00 | 330104-00-24-50-02-00 |
| 330104-10-20-05-02-00 | 330104-03-06-10-02-00 | 330104-00-24-10-02-00 |
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