Technical Specifications Breakdown
Key parameters for the 330103-05-12-10-02-CN are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Type | 3300 XL 8 mm Proximity Probe |
| Unthreaded Length | 50 mm |
| Overall Case Length | 120 mm |
| Total Length | 1.0 meter (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approval | Country Specific Approval (CN) |
| 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 for Radial Vibration | -9 Vdc [approximately 1.27 mm (50 mils)] |
| Probe Temperature Range (Standard) | -52°C to +177°C (-62°F to +350°F) |
Industry Applications and Cost Impact
Turbomachinery Protection
In steam turbines and centrifugal compressors, shaft vibration above 2 mm can indicate imminent failure. The probe’s linear range of 2 mm (80 mils) allows early detection, preventing costly rotor damage and unplanned outages.
Pump and Motor Monitoring
For critical pumps in oil & gas or water treatment, the -9 Vdc gap setting provides a stable baseline. By catching misalignment early, you avoid seal failures and reduce repair costs by up to 30%.
Cost-Benefit in Predictive Maintenance
Using this probe in a condition-based monitoring program shifts maintenance from reactive to predictive. The 1.0-meter cable and ClickLoc connector simplify installation, lowering labor costs. The stainless steel case and PPS tip resist corrosion, extending service life and reducing replacement frequency.

Installation and Setup Guidance
Mount the probe with M10x1 thread, ensuring maximum thread engagement of 15 mm to avoid mechanical interference. Use 3-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 the Proximitor Sensor. Set the initial gap to -9 Vdc (approximately 1.27 mm or 50 mils) for radial vibration measurements. Verify the target material is ferromagnetic and clean to ensure accurate readings.
Maintenance and Reliability
Inspect the probe and cable periodically for physical damage, especially near the connector. The probe is designed to seal differential pressure between tip and case using a Viton O-ring; avoid exposing it to temperatures below -34°C (-30°F) to prevent premature seal failure. The PPS tip withstands standard operating temperatures up to +177°C, making it suitable for most industrial environments. For extended temperature ranges (up to +218°C tip, +260°C cable), contact AutoDCSTech for special options.
Cost-Effective Vibration Monitoring with the Bently Nevada 330103-05-12-10-02-CN
In rotating machinery, unplanned downtime from bearing failures or shaft misalignment can cost thousands per hour. The Bently Nevada 330103-05-12-10-02-CN 3300 XL 8 mm Proximity Probe delivers precise, non-contact displacement measurements that help you detect issues early, reducing maintenance costs and extending equipment life. This probe is engineered for reliability in harsh industrial environments, offering a direct path to operational ROI.

Compatibility and Integration
The 330103-05-12-10-02-CN is part of the 3300 XL series and works with Bently Nevada Proximitor Sensors and monitoring systems. When installed with intrinsically safe zener barriers per drawing 141092 or galvanic isolators, it is approved for Class I, Zone 0 hazardous areas. For non-incendive installations, use drawing 140979 for Class I, Zone 2 compliance.
Selection Guide and Purchasing Advice
When selecting a proximity probe, match the total length and connector type to your installation. The 1.0-meter cable with ClickLoc connector suits most standard setups. Verify agency approval (CN for country-specific needs) matches your region. Contact AutoDCSTech for lifecycle status and availability before ordering to ensure compatibility with your system.
Availability & Condition at AutoDCSTech
| Part Number | 330103-05-12-10-02-CN |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
