Description
Engineered for precise dynamic shaft displacement and vibration measurements, the Bently Nevada 330173-00-02-10-02-00 non-contacting sensor provides critical feedback within machinery protection architectures. Part of the proven 3300 Series, this 5mm proximity probe operates on eddy current principles to measure static and dynamic distances between the probe tip and the observed conductive target. Built with a polyphenylene sulfide (PPS) tip and an AISI 304 stainless steel case, this configuration features a 20 mm case length, a 1.0-meter total cable length, and a miniature coaxial ClickLoc connector, making it exceptionally reliable in harsh turbine and compressor environments.
Features
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5mm Tip Diameter: Ideal for applications with tight physical mounting clearances or smaller target areas.
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High-Durability Materials: Chemically resistant Polyphenylene Sulfide (PPS) tip protects against aggressive lubrication oils and high-temperature environments.
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Corrosion-Resistant Housing: Standard AISI 304 Stainless Steel (SST) threaded body ensures physical integrity over long operational lifespans.
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ClickLoc Coaxial Connection: Gold-plated miniature coaxial ClickLoc connector provides a secure, vibration-proof link to the extension cable with low resistance.
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Flexible Mounting: Fully unthreaded body (0 mm unthreaded length option) allows for low-profile direct-thread installation.
Applications
- Radial vibration and shaft dynamic alignment monitoring on fluid-film bearing machines.
- Axial thrust position measurement on steam turbines, gas turbines, and industrial compressors.
- Phase reference and speed sensing (Keyphasor) applications on high-speed rotating shafts.
- Vibration analysis and diagnostic instrumentation inside tight machinery housings.
Technical Specifications
| Parameter |
Value / Specification |
| Manufacturer |
Bently Nevada |
| Model Number |
330173-00-02-10-02-00 |
| Probe Diameter |
5 mm |
| Unthreaded Length |
0 mm (Option 00) |
| Overall Case Length |
20 mm (Option 02) |
| Total Cable Length |
1.0 meter / 3.3 feet (Option 10) |
| Connector Type |
Miniature coaxial ClickLoc connector, standard cable (Option 02) |
| Agency Approval Option |
Not required (Option 00) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 Stainless Steel (SST) |
| Operating Temperature Range |
-51 degC to 177 degC (-60 degF to 350 degF) |
| Thread Specification |
M8 x 1 (Standard Metric Thread) |
| Net Weight |
0.323 kg |
| Shipping Weight (Calculated) |
1.3 kg |
| Package Dimensions (Calculated) |
250 x 200 x 50 mm |
| Country of Origin |
United States (U.S.A.) |
Connections and Interfaces
| Connector Pin / Part |
Function / Signal Assignment |
| Coaxial Center Conductor |
High-frequency RF signal path / DC Bias path (Sensor output returned via Proximitor) |
| Coaxial Outer Shield |
Signal Common / System return ground |
| Connector Coupling |
Standard coaxial ClickLoc lock mechanism for low-loss high-frequency connection |
Empirical Engineering Insights
Alternative Models & Compatibility
The 330173 series 5mm proximity probe is fully compatible with the 3300 XL 5mm Proximitor Sensor system. Please note that while the physical mounting footprint matches certain standard 8mm probe locations, the 5mm system possesses a distinct calibration curve (typically 7.87 V/mm or 200 mV/mil when properly paired with its designated driver). Do not mix 5mm and 8mm components in the same measurement loop as doing so will induce severe scaling errors.
Application Pitfalls & Engineering Notes
Because this specific probe configuration has an overall case length of 20 mm with 0 mm unthreaded length, ensure that your bracket thickness does not exceed the case thread length. Insufficient thread engagement can lead to rotational loosening from machine vibrations. Ensure a minimum radial clearance of at least 15 mm of free area around the probe tip to prevent side-loading calibration drift caused by nearby structural metals.
Commissioning & Wiring Tips
When routing the 1.0-meter integrated probe cable, avoid sharp bends. Maintain a minimum bend radius of 25.4 mm (1.0 inch) to prevent internal coaxial cable damage. Always use the Bently Nevada recommended ClickLoc connector tool for final mating; do not apply excessive hand force or pliers, which can crush the gold-plated contact pins and introduce signal noise.
Installation Guidelines
CRITICAL WARNING: De-energize all machinery and ensure the target shaft is at a complete standstill prior to physical installation. Never adjust probe air gap while the machinery is operating. Failure to do so can result in probe tip contact with the rotating shaft, causing catastrophic machine damage and severe physical injury.
1
Ensure the mounting hole is clean, dry, and tapped straight to standard metric M8 x 1 dimensions. Verify that there are no metal filings remaining in the thread path.
2
Thread the probe into the mounting bracket or machine casing by hand. Gently rotate until the probe tip makes light contact with the target calibration plate or shaft surface.
3
Connect a calibrated digital multimeter to the corresponding Proximitor Sensor output. Back the probe out until the DC voltage matches your desired calibration center point (typically -10.0 VDC for standard scale mid-range).
4
Secure the outer locking nut to the recommended torque specifications, ensuring the probe body does not rotate during final tightening. Apply self-fusing silicone tape to protect the ClickLoc connector joint from moisture and oil mist.