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Bently Nevada 330104-000-040-10-02-05 3300 XL 8 mm Proximity Probe

Configured for shaft displacement measurement in rotating equipment monitoring systems, the Bently Nevada 330104-000-040-10-02-05 (330104 3300 XL 8 mm Proximity Probe) provides direct eddy-current sensing for static and dynamic position measurement.

Hardware Specifications

Parameter	Specification
Model	330104-000-040-10-02-05
Brand	Bently Nevada
Product Type	3300 XL 8 mm Eddy Current Proximity Probe
Origin	USA
Dimensions	Total length: 1.0 m; Case length: 40 mm
Operating Temp	-51 deg C to +177 deg C
Thread Type	M10 x 1 metric thread
Measurement Principle	Eddy-current non-contact displacement measurement
Linear Range	2.0 mm (80 mils)
Scale Factor	7.87 V/mm (200 mV/mil) nominal
Frequency Response	0 Hz to 10 kHz (+0, -3 dB)
Probe Material	AISI 303 or 304 stainless steel case; PPS tip
Connector Type	Miniature coaxial ClickLoc connector with terminal connector protector
Cable Configuration	1.0 m unarmored cable
Interchangeability	Direct replacement without individual component matching
Tensile Strength	330 N probe case to probe lead
Hazardous Area Approval	CSA, ATEX, IECEx multi-agency approval

Eddy Current Measurement and Rotor Dynamics Features

The 3300 XL 8 mm probe uses eddy-current technology to convert shaft position changes into electrical output signals. Therefore, the probe supports rotor dynamics analysis by providing displacement data for vibration and axial position monitoring.

The probe system uses a nominal scale factor of 7.87 V/mm, which allows the connected monitoring system to calculate shaft movement from the generated voltage signal. In addition, gap voltage validation commonly uses a -10 VDC target condition to confirm correct probe installation and measurement range.

The ClickLoc connector design maintains signal continuity between the probe and extension system. Furthermore, the probe construction supports cross-talk suppression practices through correct mechanical spacing and installation routing.

Frequently Asked Questions

Q: What measurement signals does the 330104-000-040-10-02-05 provide?
A: The probe provides non-contact displacement signals for radial vibration, axial position, and phase reference measurement applications when connected to a compatible Bently Nevada monitoring system.

Q: Does the probe require calibration after replacement?
A: No individual matching calibration is required because the probe is designed for interchangeability within the specified 3300 XL 8 mm proximity system.

Q: What installation factors affect measurement accuracy?
A: Correct probe gap setting, target surface condition, cable routing, and shielding practices affect measurement performance.

Field Installation Guidelines

• Install the probe with the M10 x 1 threaded body securely positioned against the mounting location.
• Verify probe gap voltage before operation and confirm the expected electrical range from the monitoring system.
• Route the coaxial cable away from high-current power conductors to reduce electrical interference.
• Maintain proper shielding and grounding practices according to the connected monitoring system installation requirements.
• Avoid mechanical stress on the probe cable and connector during installation.
• Confirm the target shaft surface condition before commissioning vibration or position measurements.

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