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The Bently Nevada 330104-00-09-10-02-00, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for non-contacting shaft displacement tracking within 3300 XL Machinery Protection System platforms. The instrument introduces a high-frequency radio frequency field onto a moving conductive shaft target to capture mechanical changes, transferring raw gap impedance modulations over an integrated coaxial transmission line to an external matching Proximitor module.

Suffix Breakdown & Model Matrix

Code Option Category Technical Configuration
330104 Base Model 3300 XL 8 mm Proximity Probe (M10 x 1 Metric Thread)
00 Unthreaded Length 0 mm
09 Overall Case Length 90 mm
10 Total Length 1.0 meter (3.3 feet)
02 Connector and Cable Type Miniature coaxial ClickLoc connector, standard cable
00 Agency Approval Not required

Hardware Specifications

Parameter Specification
Model 330104-00-09-10-02-00
Brand Bently Nevada
Origin U.S.A.
Probe Diameter 8 mm
Mounting Thread M10 x 1 (Metric)
Case Material AISI 303/304 Stainless Steel
Linear Measurement Range 2.0 mm (80 mils)
Standard Sensitivity 7.87 V/mm (200 mV/mil)
Operating Temp -51 to +177 deg C
Power Consumption Passive hardware element (driven by external Proximitor excitation loop)
Dimensions 90 mm overall case length, 1.0 meter total cable length
Weight Less than 1.0 kg nominal

Gap Voltage Validation (-10 VDC Targets)

Field deployment requires systematic gap voltage validation to anchor the probe within its calibrated linear measurement envelope. During the physical threading process, engineers must adjust the mechanical insertion depth of the 90 mm case relative to the target surface while tracing the electrical output. Aligning the sensor tip to achieve a baseline output of exactly -10 VDC establishes the physical center of the linear calibration span, optimizing signal accuracy for monitoring raw rotor dynamics and enforcing cross-talk suppression against adjacent active measurement channels.

Frequently Asked Questions

Q: Can this 1.0-meter total length probe assembly be connected directly to a standard 5.0-meter Proximitor Sensor?

A: No. Transducer loops require an exact electrical length match. This 1.0-meter probe must be paired with a matching 4.0-meter extension cable to complete the necessary 5.0-meter total system length required by the Proximitor module.

Q: Is the ClickLoc coaxial connector joint designed to withstand fluid immersion?

A: The standard ClickLoc connection is a dry joint. Without a designated connector protector or fluid-tight sealing boot, exposure to liquids, lubricants, or conductive moisture can bridge the terminal pins and disrupt the sensor bias voltage.

Field Installation Guidelines

  • Mounting Thread Torque Limits: While inserting the 90 mm metric case into the machine port, limit mechanical torque on the M10 x 1 thread to 33.9 N-m (300 in-lb) to avoid casing fracture or deformation.
  • Coaxial Core Protection: Route the 1.0-meter standard integrated lead path with a minimum mechanical bend radius of 25.4 mm (1.0 inch) to preserve internal copper insulation layers.
  • Electrical Ground Segregation: Ensure that the outer conductor sleeve of the ClickLoc miniature coaxial connector joint remains completely isolated from the machine casing ground to block potential ground loops.

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