Technical Specifications Breakdown
Key parameters for the 330103-04-10-10-02-05 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Type | 3300 XL 8 mm Proximity Probe |
| Unthreaded Length | 40 mm |
| Overall Case Length | 100 mm |
| Total Length | 1.0 meter (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector, standard cable |
| 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), from 0.25 to 2.3 mm (10 to 90 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) |
| Probe Weight | 323 g/m (11.4 oz) |
Industry Applications and Cost Impact
Turbine Shaft Monitoring
In steam and gas turbines, shaft vibration within the 2 mm linear range (0.25 to 2.3 mm from target) must be tracked precisely. Using the Bently Nevada 330103-04-10-10-02-05 probe with its -9 Vdc recommended gap setting ensures early detection of imbalance, reducing the risk of catastrophic failure and the associated costs of unplanned outages.
Compressor Protection
Centrifugal and axial compressors often operate in hazardous areas. With CSA, ATEX, and IECEx approvals, this probe is suitable for Zone 0 and Zone 2 installations when paired with appropriate intrinsic safety barriers. The cost of a single compressor overhaul far exceeds the investment in reliable monitoring.
Pump Vibration Analysis
For critical pumps in oil and gas or water treatment, the probe's PPS tip and stainless steel case provide durability in harsh environments. The 1.0 meter cable length simplifies installation near the bearing housing, minimizing field wiring costs.

Installation and Setup Guidance
Mount the probe using the M10 x 1 thread with a maximum thread engagement of 15 mm. For standard forward mounting, apply a recommended torque of 11.2 N•m (100 in•lbf) on the case, or 7.5 N•m (66 in•lbf) on the first three threads. Use 3-conductor shielded triad cable with tinned wiring (0.2 to 1.5 mm² / 16 to 24 AWG). The maximum field wiring length between the Proximitor Sensor and monitor is 305 meters (1,000 feet). Ensure the probe tip is clean and the target surface is smooth for accurate readings.
Maintenance and Reliability
Inspect the probe and cable periodically for physical damage or contamination. The probe is designed to seal differential pressure between tip and case using a Viton O-ring, but it is not pressure tested before shipment. If your application requires a pressure seal test, contact the custom design department. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature pressure seal failure.
Cost-Effective Vibration Monitoring with the 3300 XL 8 mm Probe
In rotating machinery, unplanned downtime from bearing or shaft vibration can quickly escalate into significant operational losses. The Bently Nevada 330103-04-10-10-02-05 3300 XL 8 mm Proximity Probe offers a reliable, precision-engineered solution for continuous vibration monitoring, helping you avoid costly repairs and production halts. This probe is designed for use in critical applications such as turbines, compressors, and pumps, where early detection of shaft displacement is essential.

Compatibility and Integration
This probe works with Bently Nevada 3300 XL Proximitor Sensors and compatible monitoring systems. The miniature coaxial ClickLoc connector ensures a secure, quick connection. For intrinsically safe installations, use zener barriers per drawing 141092 or galvanic isolators. For non-incendive circuits, follow drawing 140979.
Selection Guide and Purchasing Advice
When selecting a proximity probe, consider the required cable length, connector type, and agency approvals. The 330103-04-10-10-02-05 offers a 1.0 meter cable with ClickLoc connector and CSA/ATEX/IECEx certifications, making it a versatile choice for global installations. Please verify current lifecycle status and availability with AutoDCSTech before ordering. AutoDCSTech stocks genuine Bently Nevada parts to support your maintenance needs.
Availability & Condition at AutoDCSTech
| Part Number | 330103-04-10-10-02-05 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
