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Configured for displacement measurement in rotating machinery, the Bently Nevada 330101-00-24-05-02-05 (330101 8 mm Proximity Probe) provides direct physical execution of gap-to-voltage conversion for vibration and position monitoring.

Suffix Breakdown & Model Matrix

Option Component Selection Description
Model 330101 3300 XL 8 mm Proximity Probe
Unthreaded Length 00 0.0 inches
Case Length 24 2.4 inches
Total Length 05 0.5 meter
Connector Type 02 Miniature coaxial ClickLoc
Agency Approval 05 CSA, ATEX, IECEx

Hardware Specifications

Parameter Specification
Model 330101-00-24-05-02-05
Brand Bently Nevada
Origin USA
Weight 0.323 kg
Dimensions 3/8-24 UNF thread, 2.4 in case length
Operating Temp -51 deg C to +177 deg C
Power Consumption Driven by 3300 XL Proximitor Sensor
Tip Material Polyphenylene sulfide (PPS)

Bently Nevada Mechanical Monitoring and TSI Characteristics

The 330101 probe utilizes eddy-current probe scaling to convert target distance into a linear voltage signal, standardized at 7.87 V/mm (200 mV/mil). Accurate vibration analysis requires gap voltage validation against -10 VDC targets during installation to ensure the probe operates within the linear portion of the Proximitor transfer curve. For applications involving multiple sensors, cross-talk suppression must be maintained by ensuring proper probe separation, preventing mutual signal interference. The coaxial signal path must remain electrically continuous; avoid sharp bends in the cable to prevent characteristic impedance fluctuations that distort rotor dynamics data.

Frequently Asked Questions

Q: Can this probe be used in hazardous environments?

A: Yes. The 05 suffix indicates the unit is certified for CSA, ATEX, and IECEx hazardous area operations, provided it is connected to a compatible approved barrier or safety interface.

Q: Is it permissible to field-trim the 0.5 m cable?

A: No. The 3300 XL system is a calibrated unit. Changing the cable length alters the system's electrical capacitance and inductance, which will invalidate the factory calibration and cause significant measurement errors.

Field Installation Guidelines

  1. Ensure the probe mounting hole is perpendicular to the target surface.
  2. Thread the probe into the mounting bracket, ensuring at least 5 threads of engagement for structural stability in high-vibration environments.
  3. Validate the probe gap using a digital multimeter at the Proximitor sensor output terminals until the required -10 VDC offset is achieved.
  4. Tighten the jam nuts against the mounting bracket to lock the probe position.
  5. Use dedicated cable ties to secure the coaxial cable, ensuring the ClickLoc connector remains under no mechanical tension.

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