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Configured for displacement measurement in rotating machinery, the Bently Nevada 330101-00-24-10-02-05 (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 10 1.0 meter
Connector Type 02 Miniature coaxial ClickLoc
Agency Approval 05 CSA, ATEX, IECEx

Hardware Specifications

Parameter Specification
Model 330101-00-24-10-02-05
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 system utilizes eddy-current probe scaling to convert target distance into a linear voltage signal, typically calibrated to 7.87 V/mm (200 mV/mil). Proper gap voltage validation against -10 VDC targets at the center of the linear range is mandatory to ensure accurate rotor dynamics monitoring. Installers must prioritize cross-talk suppression by maintaining specified physical separation between adjacent probes to prevent electromagnetic interference. Shielded coaxial cables must be utilized to maintain signal integrity between the probe and the Proximitor sensor.

Frequently Asked Questions

Q: Does the 05 suffix permit installation in explosive atmospheres?

A: Yes. The 05 approval option indicates that the probe is certified for hazardous area use (CSA, ATEX, IECEx), provided the installation complies with local intrinsic safety standards and utilizes compatible barriers.

Q: Can the 1.0 m cable be shortened or extended?

A: No. The system length is factory-calibrated. Altering the cable length changes the system's impedance, which will result in incorrect voltage output and loss of linearity.

Field Installation Guidelines

  1. Ensure the probe mounting bracket is rigid to avoid resonance.
  2. Install the probe perpendicular to the target surface; misalignment exceeding 5 degrees can degrade the linearity of the measurement.
  3. Validate the gap voltage at the Proximitor sensor output during installation to ensure the sensor is operating at the -10 VDC target.
  4. Secure the probe using the included jam nuts to prevent movement due to machine vibration.
  5. Ensure the ClickLoc connector is fully engaged until a tactile click is felt, and route the cable to prevent strain on the connection point.

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