Bently Nevada 330103-00-04-20-02-05 3300 XL 8 mm Proximity Probe

Product Overview

The Bently Nevada 330103-00-04-20-02-05 is a 3300 XL 8 mm proximity probe designed for precise displacement and vibration measurement in rotating machinery. This metric probe features an M10 x 1 thread, a 40 mm overall case length, and a 2.0-meter (6.6 feet) total length with a miniature coaxial ClickLoc connector and standard cable. It carries CSA, ATEX, and IECEx approvals, making it suitable for hazardous environments. The probe tip is made of polyphenylene sulfide (PPS), and the case is constructed from AISI 303 or 304 stainless steel (SST).

Technical Specifications Breakdown

Key parameters for the 330103-00-04-20-02-05 are listed below for quick reference:

Industry Applications

The 2 mm linear range and -9 Vdc recommended gap setting enable precise measurement of shaft displacement. With CSA, ATEX, and IECEx approvals, it can be installed in hazardous areas classified as Class I, Zone 0 or Zone 2 when used with appropriate intrinsic safety barriers or non-incendive circuits per Bently Nevada drawings.

Installation & Setup Guidance

For field wiring, use 0.2 to 1.5 mm² (16 to 24 AWG) three-conductor shielded triad cable with tinned wiring. The maximum length between the 3300 XL Proximitor Sensor and the monitor is 305 meters (1,000 feet). Ensure the probe tip is clean and the target surface is smooth. The recommended gap for radial vibration is -9 Vdc, which corresponds to approximately 1.27 mm (50 mils). Avoid exposing the probe to temperatures below –34°C (–30°F) to prevent premature failure of the pressure seal.

Maintenance & Reliability

Inspect the probe and cable periodically for physical damage or wear. The probe is designed to seal differential pressure between the tip and case using a Viton® O-ring; however, it is not pressure tested before shipment. If a pressure seal test is required, contact Bently Nevada's custom design department. The probe's relative humidity performance shows less than a 3% change in Average Scale Factor (ASF) after 56 days at 93% humidity per IEC 68-2-3.

Compatibility & Integration

This probe is compatible with Bently Nevada 3300 XL Proximitor Sensors and monitoring systems. The miniature coaxial ClickLoc connector ensures secure and reliable connections. For intrinsic safety applications, install with zener barriers per drawing 141092 or with galvanic isolators. For non-incendive installations, follow drawing 140979.

Selection Guide & Purchasing Advice

When selecting a replacement or new probe, verify the thread size (M10x1), overall case length (40 mm), and total cable length (2.0 meters). The 330103-00-04-20-02-05 is a metric version with CSA, ATEX, and IECEx approvals. For ordering and availability, contact AutoDCSTech. Please verify current lifecycle status and availability with AutoDCSTech before ordering.

Troubleshooting & Common Issues

If readings are erratic, check the cable and connector for damage or loose connections. Verify the gap voltage is within the linear range (0.25 to 2.3 mm from target). Ensure the target material is compatible with the probe's magnetic properties. For high-temperature applications, consider the extended temperature range probe (tip to +218°C, cable to +260°C).