The Bently Nevada 330904-02-20-05-01-00, also cataloged as the 330904 Proximity Sensor, operates as a dedicated hardware component for high-frequency displacement and vibration acquisition within 3300 XL Proximity Transducer System networks. The unit converts non-contact proximity gap distances into dynamic voltage signals for rotating machine shafts.
| Suffix Component | Option Code | Description |
|---|---|---|
| Unthreaded Length | 02 | 20 mm |
| Overall Case Length | 20 | 200 mm |
| Total Length | 05 | 0.5 meter |
| Connector Type | 01 | Miniature coaxial ClickLoc connector (armored) |
| Agency Approval | 00 | Not required |
| Parameter | Specification |
|---|---|
| Model | 330904-02-20-05-01-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.15 kg (nominal) |
| Dimensions | 200 mm Case Length, 20 mm unthreaded length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Passive (Powered by external Proximitor Sensor) |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Case Material | AISI 304 Stainless Steel |
| Cable Type | Armored cable with miniature coaxial ClickLoc connector |
The probe utilizes eddy-current induction to deliver non-contact shaft displacement data to the monitoring system. Precise eddy-current probe scaling maintains a consistent voltage-to-distance ratio across the operational displacement range, providing raw data required for rotor dynamics evaluation.
During initial commissioning, technicians perform gap voltage validation (-10 VDC targets) at the field terminal block to ensure the transducer operates within the linear portion of its calibration curve. Spatial clearance around the sensor tip must be maintained to support cross-talk suppression between adjacent transducer channels.
Q: Is the 330904 series probe compatible with the 3300 XL NSv Proximitor?
A: No. The 330904 series probes feature specific coil inductances calibrated for standard 3300 XL Proximitor Sensors. Mismatched components alter the scale factor and compromise displacement accuracy.
Q: What advantage does the armored cable option (01 connector code) provide?
A: The flexible armor sleeve protects the internal coaxial wire from mechanical impact, abrasion, and fluid contact in severe machinery environments.
Nuestra línea de producción se paró debido a un monitor Bently Nevada defectuoso. Lo encontramos en stock aquí y lo enviaron por DHL de inmediato. Volvió a funcionar en 48 horas, lo que realmente salvó nuestra planta.
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