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Configured for high-frequency signal conditioning in vibration monitoring platforms, the Bently Nevada 330180-51-00 (330180 Proximitor Sensor) provides direct physical signal translation for non-contacting proximity probes.

Hardware Specifications

Parameter Specification
Model 330180-51-00
Brand Bently Nevada
Origin USA
Weight 0.5 kg
Dimensions 8.13 cm x 6.12 cm x 6.35 cm
Operating Temp -51 deg C to +100 deg C
Power Consumption 12 mA maximum
Mounting DIN-rail or 4-hole panel footprint

Eddy-Current Probe Scaling and Rotor Dynamics

The 330180-51-00 functions as an oscillator/demodulator, providing a linear output scaled at 7.87 mV/µm (200 mV/mil) relative to probe displacement. For precise rotor dynamics analysis, the sensor output must be verified via gap voltage validation at the terminal strip, targeting -10 VDC when the probe is positioned at the linear range midpoint. To maintain signal integrity, cross-talk suppression is achieved by observing minimum spacing requirements between adjacent probes, which prevents mutual RF interference. The design provides high RFI/EMI immunity, allowing for installation in non-metallic enclosures without degradation of the displacement signal or the carrier frequency wave.

Frequently Asked Questions

Q: Can the 330180-51-00 be installed using the same mounting pattern as legacy 3300 series sensors?

A: Yes. The base is designed with a 4-hole footprint identical to legacy Proximitor Sensor designs, facilitating backward compatibility in existing panel configurations.

Q: Does the mounting base require additional isolator plates for electrical isolation?

A: No. The integrated mounting base provides electrical isolation, eliminating the requirement for external isolator plates during DIN-rail or panel-mount installation.

Field Installation Guidelines

  1. Secure the Proximitor to the DIN-rail or panel mounting surface. Ensure the mechanical interface is rigid to prevent vibration-induced signal noise.
  2. Connect the probe and extension cable, ensuring the coaxial connectors are tightened by hand until firm. Do not overtighten, as this may damage the connector threads.
  3. Route signal cabling through separate conduits from AC power or motor drive cabling to maintain the integrity of the high-frequency carrier signal.
  4. Verify the system common connection to ensure proper grounding of the signal shield.
  5. Perform a system startup check by measuring the output voltage at the monitor terminal block to confirm it matches the predicted gap voltage for the installed probe depth.

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