The Bently Nevada 330905-00-20-10-02-00, also cataloged as the 330905 Proximity Sensors, operates as a dedicated hardware component for non-contact shaft displacement and dynamic vibration measurement within 3300 NSv Machinery Monitoring System platforms. Engineered with an unarmored M10 x 1 AISI 304 stainless steel case, this transducer integrates a 0 mm unthreaded length, a 200 mm overall case length, and a 1.0 m (39 in) FEP-insulated coaxial cable terminated with a miniature ClickLoc connector.
Suffix Breakdown & Model Matrix
| Option Code | Parameter Designation | Selected Configuration |
|---|---|---|
| 330905 | Base Model | 3300 NSv Probe, M10 x 1 thread, without armor |
| -00 | Unthreaded Length | 0 mm |
| -20 | Overall Case Length | 200 mm |
| -10 | Total Length Option | 1.0 m (39 in) |
| -02 | Connector & Cable Type | Miniature coaxial ClickLoc connector, standard cable |
| -00 | Agency Approval Option | Not required |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330905-00-20-10-02-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 1.5 kg |
| Dimensions | M10 x 1 thread profile (200 mm overall case length) |
| Operating Temp | -34 deg C to +177 deg C (-30 deg F to +351 deg F) |
| Power Consumption | Passive transducer (Powered via Proximitor Sensor) |
| Storage Temp | -51 deg C to +177 deg C (-60 deg F to +351 deg F) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 304 stainless steel (SST) |
| Cable Specification | 75 Ohm coaxial, fluoroethylene propylene (FEP) insulated |
| Connector Type | Miniature coaxial ClickLoc connector |
| Agency Approvals | Not required (Option 00) |
Mechanical Monitoring & TSI Performance
The 330905-00-20-10-02-00 probe functions through calibrated eddy-current probe scaling to monitor high-frequency rotor dynamics on small-diameter shafts and confined counterbores. Output voltage varies linearly relative to the proximity between the PPS tip and the conductive target area. During field alignment, executing gap voltage validation targeting -10 VDC positions the transducer in the center of its linear output range, providing optimal cross-talk suppression and signal integrity across adjacent monitoring channels.
Frequently Asked Questions
Q: What gap voltage reading confirms correct mechanical installation for the 330905 probe?
A: Mechanical thread position must be adjusted until the output voltage measured at the connected 3300 NSv Proximitor Sensor reads -10 VDC, centering the sensor in its calibrated linear operating region.
Q: Can the 1.0 m probe cable be connected directly to cabinet terminal strips?
A: No. The integrated 1.0 m (39 in) FEP coaxial cable must couple via its ClickLoc connector to a matching 3300 NSv extension cable to establish the complete 5.0 m or 7.0 m tuned system length.
Q: What tip construction is used for high-temperature fluid resistance?
A: The probe tip is constructed from molded Polyphenylene sulfide (PPS), encapsulating the internal coil to withstand temperatures from -34 deg C to +177 deg C.
Field Installation Guidelines
- Thread the M10 x 1 stainless steel casing into the tapped mounting port by hand to prevent cross-threading before applying final torque.
- Ensure a minimum engagement of 5 full threads within the port to maintain mechanical stability under high vibration.
- Route the unarmored FEP coaxial cable through protective conduit, maintaining minimum bend radii and keeping distance from high-voltage AC cables.
- Clean the coaxial ClickLoc connector contact surfaces to eliminate dirt and moisture prior to twisting and latching the bayonet lock.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
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