Bently Nevada 330103-00-04-50-12-05 3300 XL 8 mm Proximity Probe

Technical Specifications Breakdown

Key parameters for the 330103-00-04-50-12-05 are listed below for quick reference:

Industry Applications for Reliable Machinery Protection

The 2 mm linear range covers typical shaft vibration amplitudes, while the PPS tip resists wear and chemical attack. The CSA, ATEX, and IECEx approvals enable installation in hazardous areas (Class I, Zone 0 and Zone 2) when paired with appropriate intrinsic safety barriers or non-incendive circuits. By providing early warning of bearing wear or imbalance, the probe helps avoid unplanned downtime and costly repairs.

Installation and Setup Guidance

Mount the probe using the M10 x 1 thread with a maximum thread engagement of 15 mm. Ensure the probe tip is clean and free of debris before installation. For field wiring, use 0.2 to 1.5 mm² (16 to 24 AWG) tinned wire with a three-conductor shielded triad cable. The maximum field wiring length between the 3300 XL Proximitor Sensor and the monitor is 305 meters (1,000 feet). Set the initial gap to -9 Vdc for radial vibration applications, adjusting per the target material and surface condition. Avoid exposing the probe to temperatures below -34°C (-30°F) to prevent premature pressure seal failure.

Maintenance and Reliability

Inspect the probe cable and connector periodically for signs of wear, corrosion, or damage. The probe is designed to seal differential pressure between the tip and case using a Viton O-ring, but it is not pressure tested before shipment. If pressure seal integrity is critical, contact the custom design department for testing. Keep the probe surface clean and avoid mechanical shock. The probe's relative humidity performance shows less than 3% change in Average Scale Factor (ASF) after 56 days at 93% humidity per IEC 68-2-3.

Precision Vibration Monitoring with the Bently Nevada 330103-00-04-50-12-05

Industrial rotating machinery demands reliable, accurate vibration measurement to prevent catastrophic failures. The Bently Nevada 330103-00-04-50-12-05 3300 XL 8 mm Proximity Probe delivers the precision and durability required for continuous protection in harsh environments. This probe is engineered for eddy-current displacement sensing, providing a linear range of 2 mm (80 mils) from approximately 0.25 to 2.3 mm (10 to 90 mils) from the target, with a recommended radial vibration gap setting of -9 Vdc (approximately 1.27 mm or 50 mils).

Compatibility and Integration

The 330103-00-04-50-12-05 is part of the Bently Nevada 3300 XL series and works with compatible 3300 XL Proximitor Sensors and monitoring systems. For intrinsically safe installations, use zener barriers per drawing 141092 or galvanic isolators. For non-incendive circuits, follow drawing 140979. The probe supports hazardous location ratings including Class I, Zone 0: AEx/Ex ia IIC T5...T1 Ga and Class I, Zone 2: AEx/Ex nA IIC T5…T1 Gc.

Selection Guide and Purchasing Advice

When selecting a replacement or spare probe, verify the total length, connector type, and agency approvals match your system requirements. The 330103-00-04-50-12-05 is a specific configuration with a 5.0-meter FluidLoc cable and ClickLoc connector. For expert assistance and competitive pricing, contact AutoDCSTech. Please verify current lifecycle status and availability with AutoDCSTech before ordering.