Technical Specifications Breakdown
Key parameters for the 330102-05-20-10-02-05 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Type | 3300 XL 8 mm Proximity Probe |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 0.3 in |
| Overall Case Length | 2.0 in |
| Total Length | 1.0 meter (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Agency Approvals | CSA, ATEX, IECEx |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 303 or 304 stainless steel (SST) |
| Linear Range | 2 mm (80 mils) |
| Recommended Gap Setting | -9 Vdc [approximately 1.27 mm (50 mils)] |
| Operating Temperature (Standard) | -52°C to +177°C (-62°F to +350°F) |
Installation and Setup Guidance
Proper mounting is critical for accurate readings. The 330102-05-20-10-02-05 uses a 3/8-24 UNF thread with a maximum engagement length of 0.563 in. Use three-conductor shielded triad cable (16 to 24 AWG) for field wiring, with a maximum length of 305 meters (1,000 feet) between the probe and monitor. Ensure the probe tip is clean and the target surface is smooth. For radial vibration measurement, set the gap to -9 Vdc (approximately 1.27 mm or 50 mils) from the target.
Maintenance and Reliability
Periodically inspect the probe cable and connector for damage. The probe is designed to seal differential pressure, but exposing it to temperatures below -34°C (-30°F) may cause premature seal failure. Humidity testing shows less than 3% change in Average Scale Factor (ASF) after 56 days at 93% humidity per IEC 68-2-3. No internal maintenance is required; replace the probe if readings drift outside specifications.
Reliable Vibration Monitoring with the Bently Nevada 3300 XL Probe
Industrial rotating machinery demands precise, continuous vibration monitoring to prevent catastrophic failures. The Bently Nevada 330102-05-20-10-02-05, part of the 3300 XL 8 mm proximity probe series, delivers the accuracy and durability required for critical asset protection. This probe is engineered for harsh environments, offering a robust design that withstands extreme temperatures and humidity.

Solving Vibration Measurement Challenges
Engineers often face signal degradation due to long cable runs or environmental interference. The 330102-05-20-10-02-05 addresses this with a linear range of 2 mm (80 mils) and a recommended gap setting of -9 Vdc, ensuring stable output. Its PPS tip and stainless steel case resist corrosion and wear, while the ClickLoc connector simplifies field installation. For applications requiring extended temperature tolerance, an extended range probe is available, but this standard model operates reliably from -52°C to +177°C.

Compatibility and Integration
This probe works with Bently Nevada 3300 XL Proximitor sensors and compatible monitors. For intrinsically safe installations, use zener barriers per drawing 141092 or galvanic isolators to achieve Class I, Zone 0 ratings. For non-incendive circuits, follow drawing 140979 for Class I, Zone 2 compliance. Always verify system compatibility before integration.
Selection Guide and Purchasing Advice
When selecting a replacement, confirm the thread size, cable length, and connector type match your existing setup. The 330102-05-20-10-02-05 is available from AutoDCSTech, a trusted supplier of industrial automation parts. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 330102-05-20-10-02-05 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
