Configured for non-standard vibration measurement and displacement monitoring tasks in restricted spatial geometries, the Bently Nevada 330801-28-04-105-00-02 (330801-28-04-105-00-02 Proximity Transducer) provides direct physical/electrical execution.

Model Matrix and Designation Breakdown

• Base model designation: 330801 representing the 3300 XL NSV (Non-Standard Velocity/Near-Surface Vibration) proximity transducer variant.
• Option codes: Configure specific probe thread dimensions, cable length options, armor configurations, and connector types.
• System integration: Designed for specialized machinery monitoring applications requiring high-density or low-clearance probe placement.
• Mechanical standard: Built for industrial rotating machinery protection environments requiring specialized electromagnetic field focusing.

Hardware Specifications

Rotor Dynamics and Eddy-Current Probe Scaling

• Implements specialized eddy-current probe scaling optimized for NSV geometries to translate magnetic reluctance changes into linear voltage outputs.
• Enforces strict gap voltage validation targeting -10 VDC operational benchmarks during static shaft alignment procedures.
• Maintains high-frequency response capabilities required for accurate transient rotor dynamics and vibration waveform acquisition.
• Utilizes advanced cross-talk suppression methodologies to mitigate electromagnetic interference in tight multi-transducer configurations.

Ordering Information

• 1 x 330801-28-04-105-00-02 Proximity Transducer unit
• 1 x Technical documentation sheet

Field Installation Guidelines

• Thread the probe carefully into the designated machine mounting port, ensuring correct thread engagement and torque limits.
• Adjust the mechanical probe-to-target gap until a stable -10 VDC reading is achieved on a high-impedance voltmeter.
• Secure lock nuts firmly to prevent mechanical shifting under continuous machine vibration and thermal expansion.
• Route coaxial extension cables through dedicated metallic conduits, maintaining separation from high-voltage power lines.

Frequently Asked Questions

• Q: What is the primary function of the 330801-28-04-105-00-02 module?

  A: It serves as a non-standard vibration proximity transducer for measuring shaft displacement in restricted-clearance areas.

• Q: What is the nominal output scale factor for this NSV transducer model?

  A: The unit delivers a nominal scale factor of 3.94 mV/um (100 mV/mil).

• Q: What is the required target gap voltage during initial sensor alignment?

  A: Initial mechanical gap adjustment must target a stable baseline of -10 VDC.

• Q: What power supply voltage range is required for transducer operation?

  A: The system operates on a negative dc voltage supply ranging from -17.5 VDC to -26 VDC.

• Q: What is the operating temperature range limit for the hardware unit?

  A: It is rated to function reliably in ambient temperatures from -35 deg C to +85 deg C.

• Q: Are special grounding precautions necessary for the signal wiring?

  A: Yes, coaxial shields must be grounded properly at the monitor rack termination to reject electrical noise.

• Q: What is the total physical weight of the packaged unit?

  A: The unit features an approximate packaged weight of 0.60 kg.

• Q: How does the NSV design differ from standard proximity probes?

  A: The NSV tip geometry is optimized for reduced side-view sensitivity, allowing operation near shoulders or in tight bores.