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Configured for eddy-current displacement measurement in machinery protection systems, the Bently Nevada 330104-00-05-10-02-00 (330104 Proximity Probe) provides direct physical/electrical execution. The hardware operates by generating a high-frequency radio frequency (RF) field to detect static or dynamic distances between the probe tip and a conductive target material, outputting physical variations as an analog voltage shift back to a 3300 XL Proximitor Sensor.

Suffix Breakdown & Model Matrix

Suffix Code Field Designation Selected Option Specification
-00 Unthreaded Length 0 mm
-05 Overall Case Length 50 mm
-10 Total Length 1.0 metre (3.3 feet)
-02 Connector & Cable Type Miniature coaxial ClickLoc connector, standard cable
-00 Agency Approval Not required

Hardware Specifications

Parameter Specification
Model 330104-00-05-10-02-00
Brand Bently Nevada
Origin U.S.A.
Probe Tip Diameter 8 mm
Thread Profile M10 x 1 metric thread
Cable Armor Integral flexible stainless steel armor
Total Length 1.0 metre
Connector Type ClickLoc miniature coaxial
Operating Temp -52 to +177 deg C
Shipping Weight 2.0 kg

Eddy-Current Probe Scaling & Calibration

The 3300 XL 8 mm probe operates on eddy-current scaling metrics tuned to AISI 4140 AISI steel targets unless calibrated otherwise. To maintain systematic loop verification, physical installation requires precise gap voltage validation. Field engineers must verify that the steady-state DC voltage reads a nominal target value (typically -10 VDC within the linear range) to center the probe within its calibrated 2.0 mm (80 mils) total linear range. Correct configuration eliminates cross-talk suppression failures when multiple probe tips are arrayed closely across rotor dynamics testing planes.

Frequently Asked Questions

Q: What is the fluid resistance specification for the probe tip assembly?

A: The tip is constructed of polyphenylene sulfide (PPS) and is fluid-sealed against compatible lubricants, oils, and chemical vapors at the machine case interface.

Q: Can this 1.0-metre probe be coupled directly to a monitor without an extension cable?

A: No. The total electrical loop length between the 3300 XL Proximitor Sensor and the probe must match the system design (typically 5.0 metres or 9.0 metres). A 1.0-metre probe requires a specific 4.0-metre or 8.0-metre extension cable to maintain loop impedance matching.

Field Installation Guidelines

  • Mechanical Torque Interlocks: When threading the M10 x 1 case option into the machine housing, do not exceed the maximum physical structural limit of 33.9 N-m (300 in-lb).
  • ClickLoc Interconnection Protection: Ensure the miniature coaxial connectors are clean and dry prior to deployment. Conductor interfaces must click together completely; use silicone or fluorosilicone self-fusing tape to seal the connection against environmental contaminants.
  • Minimum Separation to Prevent Cross-Talk: Maintain a minimum physical distance of at least 40 mm between adjacent probe tips to eliminate RF interference and cross-talk degradation within the target zone.

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