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Bently Nevada 330104-00-09-05-11-05 3300 XL 8 mm Proximity Probe

The Bently Nevada 330104-00-09-05-11-05, also cataloged as the 330104 3300 XL 8 mm Proximity Probe, operates as a dedicated hardware component for non-contact shaft displacement measurement within the Bently Nevada 3300 XL monitoring system.

Hardware Specifications

Parameter	Specification
Model	330104-00-09-05-11-05
Brand	Bently Nevada
Product Type	Eddy Current Proximity Sensors
Series	3300 XL 8 mm Proximity Probe
Origin	USA
Dimensions	8 mm probe tip diameter; 90 mm case length; 0.5 m total length
Operating Temp	-52 deg C to +177 deg C
Power Consumption	Passive probe element; powered through connected Proximitor Sensor
Measurement Principle	Eddy current non-contact displacement measurement
Thread Type	M10 x 1 metric thread
Case Material	AISI 303 or 304 stainless steel
Tip Material	Polyphenylene Sulfide (PPS)
Cable Type	Coaxial cable with stainless steel flexible armor
Connector Type	ClickLoc miniature coaxial connector with protective shroud
Linear Range	2.0 mm (80 mils), from 0.25 mm to 2.25 mm (10 to 90 mils)
Scale Factor	7.87 V/mm (200 mV/mil) nominal with 3300 XL Proximitor Sensor
Cable Protection	FluidLoc armored cable structure
Hazardous Area Approval	CSA, ATEX, IECEx certifications

Eddy Current Measurement and Rotor Dynamics Monitoring

The 330104-00-09-05-11-05 uses an eddy current sensing circuit to convert shaft displacement into proportional electrical signals. Therefore, the connected 3300 XL Proximitor Sensor can process radial vibration, axial position, and speed-related shaft movement data.

The probe maintains a nominal scale factor of 7.87 V/mm when paired with the matching Proximitor Sensor. In addition, the system supports gap voltage validation, where field technicians verify probe operating conditions against typical -10 VDC gap voltage targets during commissioning.

The 3300 XL probe design supports rotor dynamics analysis by providing stable displacement measurements for vibration trending, shaft orbit analysis, and machinery protection functions. Furthermore, the armored FluidLoc cable reduces signal variation caused by mechanical damage or oil penetration.

Frequently Asked Questions

Q: Can the 330104-00-09-05-11-05 operate independently without a Proximitor Sensor?
A: No. The probe requires a compatible 3300 XL Proximitor Sensor to generate and condition the eddy current measurement signal.

Q: What installation factor affects measurement accuracy?
A: Probe mounting position, target shaft material, mechanical clearance, cable routing, and correct gap voltage adjustment directly affect measurement performance.

Q: Does this probe require individual calibration after replacement?
A: No. The 3300 XL system supports interchangeable probe components when matched with compatible extension cables and Proximitor Sensors.

Field Installation Guidelines

• Install the probe with the specified M10 x 1 threaded mounting interface and maintain correct mechanical alignment with the rotating shaft target.
• Route the armored cable away from high-current power wiring to reduce electromagnetic interference.
• Connect the ClickLoc coaxial connector fully and verify the locking mechanism before machine operation.
• Maintain proper shielding and grounding practices at the monitoring system connection point.
• Verify probe gap voltage after installation and confirm signal output before enabling machinery protection functions.
• Avoid excessive cable bending or mechanical stress near the connector and probe body.

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