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The Bently Nevada 330104-00-06-20-01-00, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for non-contacting displacement measurement within a 3300 XL Proximity Transducer System. The hardware tracks shaft position deviations and dynamic vibrations by establishing a high-frequency radio frequency field against a target, routing the resulting physical impedance variations through its integrated coaxial line back to a matching Proximitor Sensor.

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
06 Overall Case Length 60 mm
20 Total Length 2.0 meters (6.6 feet)
01 Connector and Cable Type Miniature coaxial ClickLoc connector with connector protector, standard cable
00 Agency Approval Not required

Hardware Specifications

Parameter Specification
Model 330104-00-06-20-01-00
Brand Bently Nevada
Origin U.S.A.
Probe Tip Diameter 8 mm
Housing Thread Size M10 x 1 (with integral armor)
Interface Technologies TipLoc tip-to-cable bond, CableLoc cable anchoring
Transmission Media 75 Ohm coaxial standard cable
Operating Temp -51 to +177 deg C
Power Consumption Passive transducer component (loop-driven)
Dimensions 60 mm overall case length, 2.0 meters total length
Weight Less than 1.0 kg nominal

Cross-Talk Suppression & Sensor Arrays

The 330104-00-06-20-01-00 relies on an operational scale factor of 7.87 V/mm (200 mV/mil) when mapping target displacement. When deployed in multi-probe machinery monitoring configurations (such as orthogonal X-Y radial vibration pairs), proper structural orientation and spatial clearance are required to support cross-talk suppression. If the radiating probe tips are positioned closer than specified minimum thresholds, their electromagnetic fields overlap, generating mutual interference that corrupts the analog voltage output. Maintaining precise physical tracking parameters prevents signal distortion in complex rotor dynamics monitoring environments.

Frequently Asked Questions

Q: How does the FluidLoc cable option alter the physical properties of the probe assembly?

A: The FluidLoc configuration prevents the capillary transmission of lubricating oils or gases through the internal structure of the cable, mitigating fluid leakage out of the machine housing into the instrument enclosure.

Q: Can this 2.0-meter probe connect directly to a 3500 series monitor rack?

A: No. Proximity probes are passive components and cannot interface directly with monitoring electronics. The 2.0-meter probe must connect through a matching extension cable to a 3300 XL Proximitor Sensor, which provides the final -24 VDC excitation loop and analog output signals.

Field Installation Guidelines

  • Mechanical Torque Interlocks: Thread the M10 x 1 probe body into the bracket housing manually. Apply final tightening torque via a calibrated wrench up to a maximum parameter of 33.9 N-m (300 in-lb) to avoid structural casing stress.
  • Coaxial Connector Insulation: Clean the miniature coaxial ClickLoc connector joint before mating. Ensure the integrated connector protector is slid securely over the union to maintain high-voltage isolation and block ingress from ambient moisture or synthetic lubricants.
  • Routing Bend Limitations: Route the armored cable away from high-temperature exhaust paths. Maintain a minimum mechanical bend radius of 25.4 mm (1.0 inch) along the layout run to eliminate risk of coaxial layer crushing.

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