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Bently Nevada 330101-00-10-10-02-CN 3300 XL 8 mm Proximity Probe

Configured for shaft vibration measurement in Bently Nevada 3300 XL series machinery protection systems, the Bently Nevada 330101-00-10-10-02-CN (330101 proximity probe) provides direct physical displacement detection via eddy-current sensing for continuous rotor position monitoring.

Hardware Specifications

Parameter	Specification
Model Brand	Bently Nevada
Origin	USA
Weight	0.1 kg
Dimensions	104 x 1.5 x 1.2 cm
Operating Temp	-35 degC to +177 degC
Power Consumption	Passive sensor, no external power
Thread Type	3/8-24 UNF
Unthreaded Length	0.0 in
Case Length	1.0 in
Total Length	1.0 m (3.3 ft)
Connector Type	Miniature coaxial ClickLoc connector

Eddy-Current Probe Scaling and Gap Voltage Validation

The 330101 probe utilizes a calibrated eddy-current field to translate target displacement into proportional voltage output. Gap voltage validation targets -10 VDC at nominal probe-to-target spacing to ensure linear response across the defined measuring range. Signal scaling is matched to the 3300 XL extension cable and driver module to maintain system-level accuracy. Cross-talk suppression is achieved through precise shielding and impedance matching within the probe assembly.

Frequently Asked Questions

Q: Can the 330101 probe be used with non-Bently Nevada driver modules?

A: No. Eddy-current probe scaling is specific to the 3300 XL driver module; mismatched drivers will cause inaccurate displacement readings.

Q: What is the minimum bending radius for the standard cable?

A: Maintain a minimum bend radius of 25 mm to prevent coaxial conductor deformation and signal loss.

Q: Does the probe require recalibration after installation?

A: Recalibration is not required if installed within specified gap voltage and temperature limits, but verification against baseline gap voltage is recommended.

Field Installation Guidelines

Install the probe with its tip perpendicular to the target surface to avoid angular error in displacement readings. Secure the probe body using proper thread engagement (minimum 5 full threads). Ground the shield of the coaxial cable at the driver module end only to prevent ground loops. Route the probe cable away from high-voltage conductors and switching devices to minimize electromagnetic interference. Verify gap voltage immediately after mechanical installation using the driver module’s test points.

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