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Bently Nevada 330104-00-14-05-02-00 3300 XL 8 mm Proximity Probe

The Bently Nevada 330104-00-14-05-02-00, also cataloged as the 330104 3300 XL 8 mm Proximity Probe, operates as a dedicated hardware component for eddy-current displacement measurement within the 3300 XL Transducer System.

Hardware Specifications

Parameter	Specification
Model	330104-00-14-05-02-00
Brand	Bently Nevada
Product Type	3300 XL 8 mm Eddy Current Proximity Probe
Origin	USA
Dimensions	140 mm case length, 0.5 m cable length
Operating Temp	-52 deg C to +177 deg C
Power Consumption	Passive probe, powered by compatible 3300 XL Proximitor Sensor
Thread Size	M10 x 1 metric thread
Probe Tip Diameter	8 mm
Case Material	AISI 303 / 304 stainless steel
Tip Material	Polyphenylene Sulfide (PPS)
Cable Protection	Flexible AISI 302 stainless steel armor
Connector Type	Gold-plated miniature coaxial ClickLoc connector
Maximum Rated Torque	33.9 N m (300 in lbf)
Recommended Installation Torque	11.2 N m (100 in lbf)
Linear Measuring Range	2.0 mm (80 mils)
Incremental Scale Factor	7.87 V/mm (200 mV/mil) +/-5%
Output Voltage Range	Approx. -1 VDC to -17 VDC
Target Material	Magnetic steel, AISI 4140 calibration target
Probe Resistance	7.45 +/-0.50 ohm for 0.5 m cable length

Eddy-Current Scaling and Rotor Dynamics Monitoring

The 3300 XL 8 mm proximity probe generates displacement signals through eddy-current measurement between the probe tip and conductive shaft target. Therefore, the probe maintains a defined incremental scale factor of 7.87 V/mm for compatible Bently Nevada Proximitor Sensor configurations.

The measurement output represents shaft position changes and dynamic vibration movement. Furthermore, the probe supports rotor dynamics analysis by providing displacement data for radial vibration, axial position, and speed-related monitoring functions.

Gap voltage validation is performed through the Proximitor Sensor interface. In standard Bently Nevada installations, technicians verify probe operating conditions by checking the DC gap voltage, with approximately -10 VDC commonly used as a nominal center operating target.

The armored cable construction improves mechanical protection in machine casings. Additionally, the miniature coaxial ClickLoc connector maintains signal continuity while reducing connection-related measurement disturbances.

Frequently Asked Questions

Q: What measurement principle does the 330104-00-14-05-02-00 use?
A: The probe uses eddy-current sensing technology to measure shaft displacement without physical contact between the probe tip and the rotating target.

Q: What is the function of the -10 VDC gap voltage reference?
A: The -10 VDC value is commonly used as a probe operating position reference during installation checks and gap voltage validation.

Q: Can this probe connect directly to a PLC analog input channel?
A: No. The probe requires a compatible Bently Nevada Proximitor Sensor to convert the eddy-current signal into a standard monitoring output.

Field Installation Guidelines

Install the probe with the M10 x 1 threaded body fully engaged into the machine mounting location according to the equipment drawing. Apply the recommended installation torque to prevent mechanical loosening while avoiding thread damage.

Route the armored cable away from high-current power conductors and strong electromagnetic interference sources. Maintain proper cable separation and avoid sharp bending that may affect signal stability.

Connect the ClickLoc coaxial connector securely to the compatible Proximitor Sensor. Verify cable shielding continuity and ensure the instrumentation grounding method follows the machine monitoring system installation requirements.

After mechanical installation, check the probe gap voltage through the associated monitoring electronics. Confirm that the operating voltage remains within the expected measurement range before placing the machine into service.

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