Bently Nevada 330101-48-71-20-02-00 3300 XL 8 mm Probe, 3/8-24 UNF Thread, Without Armor

Technical Specifications Breakdown

Key parameters for the 330101-48-71-20-02-00 are listed below for quick reference:

Industry Applications for the 330101-48-71-20-02-00

The 2 mm linear range and high scale factor (7.87 V/mm) provide precise data for predictive maintenance. In oil and gas refineries, the optional FluidLoc cable prevents oil leakage through the cable interior, reducing contamination risks. For power generation, the robust stainless steel case and PPS tip withstand high temperatures and pressure differentials.

Installation & Setup Guidance

Mount the 330101-48-71-20-02-00 using the 3/8-24 UNF thread into a suitable mounting block or bracket. Ensure the target surface is clean and within the linear range (0.25 to 2.3 mm from target). Use 3-conductor shielded triad cable for field wiring (0.2 to 1.5 mm² / 16 to 24 AWG). Maximum field wiring length between the Proximitor sensor and monitor is 305 meters (1,000 feet). Set the recommended gap for radial vibration to -9 Vdc (approximately 1.27 mm / 50 mils).

Maintenance & Reliability

Inspect the probe cable and connector periodically for signs of wear or damage. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature pressure seal failure. The probe is designed to seal differential pressure between tip and case using a Viton® O-ring; contact the custom design department if pressure testing is required. The probe relative humidity test shows less than 3% change in Average Scale Factor after 56 days at 93% humidity per IEC 68-2-3.

Compatibility & Integration

The 330101-48-71-20-02-00 is part of the 3300 XL system and works with Bently Nevada Proximitor sensors and monitors. The miniature coaxial ClickLoc connector ensures secure, quick connections. For extended temperature range applications, use the ETR probe variant (tip to +218°C, cable to +260°C).

Selection Guide & Purchasing Advice

When selecting a probe, match the unthreaded length, overall case length, and total length to your machine geometry. The 330101-48-71-20-02-00 offers a 4.8 in unthreaded length, 7.1 in case length, and 2.0 m cable. For armored versions or different connector options, consult the full 3300 XL catalog. AutoDCSTech stocks this exact configuration to support your critical spares program. Please verify current lifecycle status and availability with AutoDCSTech before ordering.

Troubleshooting & Common Issues

If the output signal is noisy or unstable, check the field wiring length (max 305 m) and ensure the triad cable shield is properly grounded. Verify the probe gap is within the linear range (0.25 to 2.3 mm). A DC resistance reading outside 7.88 ± 0.50 Ω may indicate a damaged cable or connector. For persistent issues, inspect the probe tip for contamination or physical damage.