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Bently Nevada 330704-000-050-10-02-CN 3300 XL 8 mm Proximity Probe

The Bently Nevada 330704-000-050-10-02-CN, also cataloged as the 330704 Proximity Probe, operates as a dedicated eddy-current sensing component for shaft displacement measurement within Bently Nevada 3300 XL monitoring systems.

Hardware Specifications

Parameter	Specification
Model	330704-000-050-10-02-CN
Brand	Bently Nevada
Product Type	Proximity Probe
Series	3300 XL 8 mm Proximity Probe
Origin	USA
Weight	Not specified
Dimensions	Overall case length: 50 mm; Total length: 1.0 m
Power Consumption	Passive probe element; powered by compatible proximity sensor interface
Sensing Technology	Eddy-current non-contact displacement measurement
Probe Tip Diameter	8 mm
Cable Length	1.0 m (3.3 feet)
Connector Type	Miniature coaxial ClickLoc connector
Cable Type	Standard coaxial cable
Agency Approval	CN country-specific approval option
Certificate Of Origin	Available upon request

Eddy-Current Measurement and Rotor Dynamics Interface

The 330704-000-050-10-02-CN uses eddy-current sensing technology to convert shaft movement into electrical displacement signals. The probe operates with a compatible driver and monitoring module to provide vibration, radial position, and axial displacement measurements.

Furthermore, Bently Nevada 3300 XL proximity systems apply probe scaling characteristics to maintain consistent displacement output across the operating range. The system verifies probe gap conditions through gap voltage validation, with typical monitoring references including -10 VDC target gap settings for correct installation checks.

The probe assembly supports rotor dynamics analysis by providing non-contact shaft motion data. In addition, the miniature coaxial ClickLoc connector maintains signal integrity between the probe and extension cable interface while reducing connection-related signal disturbances.

Frequently Asked Questions

Q: What measurement principle does the Bently Nevada 330704-000-050-10-02-CN use?
A: The probe uses eddy-current technology to measure shaft displacement without physical contact between the probe tip and rotating target surface.

Q: What connector configuration does this model include?
A: This model uses a miniature coaxial ClickLoc connector with a standard cable configuration.

Q: How is the probe gap condition verified during installation?
A: Technicians verify installation by checking the probe gap voltage output. Bently Nevada systems typically use a -10 VDC target gap reference for correct probe positioning.

Field Installation Guidelines

• Install the probe perpendicular to the measured shaft surface to maintain accurate displacement sensing.
• Confirm the target material compatibility before commissioning the monitoring circuit.
• Route the coaxial cable away from high-voltage power conductors and strong electromagnetic interference sources.
• Maintain proper shielding practices and connect cable shields according to the monitoring system grounding requirements.
• Verify probe gap voltage after mechanical installation and before system calibration.
• Use the specified ClickLoc connector interface to prevent signal instability caused by improper cable connections.
• Check mechanical mounting tightness and ensure the probe tip does not contact the rotating shaft during operation.

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