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The Bently Nevada 330103-00-07-05-02-00, also cataloged as the 330103 Proximity Probe, operates as a dedicated hardware component for eddy-current displacement and vibration sensing within 3300 XL Proximity Transducer System platforms.

Suffix Breakdown & Model Matrix

Option Slot Configured Code Technical Definition
Unthreaded Length Option 00 0 mm
Overall Case Length Option 07 70 mm
Total Length Option 05 0.5 meter (1.6 feet)
Connector and Cable-Type Option 02 Miniature coaxial ClickLoc connector, standard cable
Agency Approval Option 00 No approvals

Hardware Specifications

Parameter Specification
Model 330103-00-07-05-02-00
Brand Bently Nevada
Origin United States (U.S.A)
Probe Tip Diameter 8 mm
Probe Tip Material Polyphenylene sulfide (PPS)
Probe Case Material AISI 303 or 304 stainless steel (SST)
Pressure Sealing Viton O-ring differential pressure tip-to-case seal
Unthreaded Length 0 mm
Overall Case Length 70 mm
Total Length 0.5 meter (1.6 feet)
Connector Type Miniature coaxial ClickLoc connector
Cable Type Standard cable
Operating Temp -51 to +177 deg C
Power Consumption Passive hardware element driven by Proximitor Sensor
Dimensions M10 x 1 threaded body
Weight 0.323 kg (Net), 1.3 kg (Shipping Weight)

Gap Voltage Validation (-10 VDC targets)

The 3300 XL 8 mm proximity probe requires correct physical positioning relative to the observed shaft target to function within its calibrated linear operational field. During static calibration and physical commissioning, gap voltage validation must be conducted by probing the output terminals of the matching Proximitor Sensor, seeking the standard -10 VDC targets. This value ensures that the physical distance maps directly to the linear center of the eddy-current sensing loop. Deviations from this baseline voltage disrupt the conversion profile, resulting in inaccurate rotor dynamics analysis and signal distortion under high-frequency machinery operations.

Frequently Asked Questions

Q: What is the primary purpose of the Viton O-ring in the 330103 probe design?

A: The Viton O-ring provides a structural fluid seal designed to resist differential pressure between the probe tip and the outer stainless steel case. This prevents process fluids or lubricating oil from migrating through the sensor assembly into the external coaxial conduit system.

Q: How do alterations in total system electrical length affect the calibration loop?

A: The 330103 physical length configuration must strictly match the system design parameters of the Proximitor loop. Splicing the standard coaxial cable or changing the extension length modifies the baseline tuning impedance, directly invalidating the target gap voltage validation metrics.

Field Installation Guidelines

  • Mechanical Torque Thresholds: Thread the AISI 303/304 stainless steel probe case into the entry locknut or machine bracket. Use a calibrated torque tool to ensure standard engineering limits are not exceeded, protecting the PPS tip from structural failure.
  • Coaxial Junction Protection: Ensure the miniature coaxial ClickLoc connector remains completely dry and free of environmental contamination. Apply a local sealing boot or self-fusing electrical insulation wrap prior to terminating inside the junction enclosure.
  • Cable Bend Curvature Constraints: Route the standard coaxial cable ensuring that the minimum bend radius constraints are met along the physical tray pathways. Sharp bends induce mechanical shielding fatigue and signal noise.
  • Target Area Clearance: Confirm that the target track area on the shaft provides a flat surface extending beyond the 8 mm tip diameter to avoid side-viewing fringing effects that degrade measurement linearity.

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