Bently Nevada 330101-00-20-10-02-00 3300 XL 8 mm Proximity Probes

Description

The Bently Nevada 330101-00-20-10-02-00 is an eddy current proximity probe configured for the 3300 XL 8 mm Proximity Transducer System to execute high-precision vibration monitoring and position logging. This industrial hardware asset functions as a non-contacting displacement sensor, generating a stable output voltage directly proportional to the static or dynamic gap distance between the unarmored probe tip and an observed conductive target, such as an AISI 4140 steel shaft. To fulfill targeted industrial traffic objectives, this asset provides an optimal engineering solution matching the exact electrical traits of the widely searched 330101-00-47-90-02-00 variant. It maps comprehensive diagnostic loops alongside an extension cable and a Proximitor Sensor, allowing machinery protection infrastructure to continuously evaluate fluid-film bearing performance, radial vibration profiles, thrust tracking, and thermal growth patterns.

Featuring a 3/8-24 UNF thread structure without armor, this configuration includes a 2.0-inch overall case length and an unthreaded option of 0.0 inches. It uses patented TipLoc molding to establish an unyielding high-integrity bond between the polyphenylene sulfide (PPS) probe tip assembly and the stainless steel case body. The integrated CableLoc design yields up to 330 N (75 lbf) of pull strength from the probe case to the probe lead, ensuring prolonged life within demanding rotating machinery environments.

Features

• Interchangeable System Architecture: Supports comprehensive physical and electrical interchangeability across probes, cables, and Proximitor units without component calibration.
• Backward Loop Compatibility: Integrates natively into legacy non-XL 3300 series 5 mm and 8 mm machinery instrumentation layouts.
• Rugged Mechanical Construction: Employs specialized TipLoc molding and CableLoc pull-strength reinforcement to protect against persistent high-vibration shearing.
• Integrated Differential Pressure Seal: Built with a premium Viton O-ring designed to seal pressure boundaries between the probe tip and case threads.
• Highly Shielded Coaxial Connection: Outfitted with a 75 ohm triaxial cable layout coupled with gold-plated ClickLoc connector terminals to block electromagnetic interference.

Applications

• Fluid-Film Bearing Monitoring: Tracks shaft displacement, critical oil-film clearances, and radial vibration in industrial turbomachinery.
• Steam and Gas Turbine Diagnosis: Monitors continuous rotor position, thrust bearing wear, and eccentric casing alignment.
• Keyphasor and Speed Tracking: Measures precise once-per-turn timing pulses and tachometer speed parameters across processing drives.
• Continuous Heavy Processing: Serves as a vital asset across petrochemical refineries, large-scale power generation grids, and gas compression stations.

Ordering Information

Technical Specifications

Installation Guidelines

• Target Mechanical Gapping: Adjust the mechanical probe depth until a nominal DC gap voltage of -9 Vdc [approximately 1.27 mm (50 mils)] is obtained at the center of the dynamic scale.
• Thread Torque Constraints: Tighten the probe casing into the enclosure mount using a recommended torque of 11.2 N-m (100 in-lbf). Do not exceed the maximum rated threshold of 33.9 N-m (300 in-lbf).
• Connector Joint Handling: Join the gold ClickLoc connector terminals finger-tight. Avoid using mechanical pliers on gold-plated coaxial paths to protect the contact shielding.
• Thread Engagement Limits: Ensure the internal thread installation does not exceed 0.563 inches to eliminate physical binding risks inside the machine housing.
• Moisture Ingress Protection: Apply the specialized silicone tape wrap across the mated connector unions to isolate the coaxial interface from external contaminants and moisture.