Configured for precision displacement measurement in rotating machinery systems, the Bently Nevada 330101-39-67-10-12-05 (330101-39-67-10-12-05) Proximity Transducer provides direct physical and electrical execution. The assembly converts physical shaft vibration and position variations into proportional electrical voltage signals for diagnostic monitoring platforms.

Part Number Breakdown & Configuration Matrix

Hardware Specifications

Rotor Dynamics & Transducer Scaling

The transducer utilizes eddy-current probe scaling mechanics to measure static and dynamic distance variations relative to a metallic target surface. Circuitry continuously monitors gap voltage validation against standardized -10 VDC targets to verify proper sensor positioning and linear operating range. Rotor dynamics characteristics are captured without mechanical contact, eliminating friction wear during continuous high-speed turbine operation. Internal signal filtering and cross-talk suppression mechanisms maintain signal integrity across long-distance cable runs.

Ordering Information

• 2 x 3300 XL 8 mm Proximity Probes (Part Number: 330101-39-67-10-12-05)
• 1 x Threaded Mounting Nut Set with Locking Washers
• 1 x Technical Documentation and Installation Sheet

Mechanical Installation Guidelines

• Thread the probe into the designated machine mounting hole maintaining a strict 5-thread minimum engagement for structural stability.
• Tighten the locknut using a calibrated wrench while ensuring the coaxial cable remains free from torsional twisting stress.
• Route the interconnecting cable away from high-voltage power conduits to minimize electromagnetic interference coupling.
• Secure all coaxial connectors using the integrated locking mechanism to prevent loosening under heavy machine vibration.

Frequently Asked Questions

• Q: What is the nominal scale factor of this proximity transducer system?
• A: The scale factor is calibrated to 7.87 V/mm (200 mV/mil) across its standard linear measurement range.
• Q: What is the required supply voltage for the associated Proximitor sensor?
• A: The sensor operates with a -17.5 VDC to -26 VDC power supply delivered through the monitoring rack interface.
• Q: How does ambient temperature variation affect the output linearity?
• A: Advanced thermal compensation circuitry minimizes signal drift across the specified -51 deg C to 177 deg C operating range.
• Q: Can this probe be installed in hazardous industrial environments?
• A: Yes, it includes multiple global hazardous area certifications for intrinsic safety compliance.
• Q: What is the recommended installation torque for the mounting threads?
• A: Standard installation requires adhering to manufacturer-specified torque limits to avoid crushing the internal coil assembly.
• Q: How should the coaxial cable shield be grounded to prevent noise?
• A: The shield drain wire must be grounded exclusively at the monitor or barrier end to eliminate ground loop currents.
• Q: What is the purpose of the -10 VDC gap voltage target?
• A: It ensures the probe operates precisely at the midpoint of its linear voltage characteristic curve.
• Q: Are extension cables interchangeable with different probe lengths?
• A: Extension cables must match the specific system capacitance rating designated for the 3300 XL product family.