330905-00-25-05-02-05 Bently Nevada 3300 NSv Proximity Probe

Hardware Specifications

Eddy-Current Probe Scaling and Rotor Dynamics

The Bently Nevada 3300 NSv Proximity Probe uses an eddy-current measurement principle to convert shaft displacement into proportional electrical output signals. The probe provides an average scale factor of 7.87 V/mm (200 mV/mil), which matches common eddy-current transducer output requirements.

The compact side-view design supports installations where shaft diameter, target size, or mounting clearance limits conventional probe placement. In addition, the probe provides displacement data required for rotor dynamics analysis, including shaft vibration monitoring, radial position measurement, and machinery condition evaluation.

The 3300 XL NSv Transducer System maintains signal characteristics for gap voltage validation and proximity measurement circuits. Therefore, engineers can verify probe operation through standard proximity system checks, including gap voltage monitoring with typical -10 VDC target conditions.

Frequently Asked Questions

Q: What monitoring systems can use the 330905-00-25-05-02-05 probe?
A: The probe operates as part of the 3300 XL NSv Transducer System and supports replacement applications for 3300 RAM Transducer Systems and 3000-series or 7000-series 190 Transducer Systems when the complete NSv component configuration is applied.

Q: What is the output scaling of the 330905-00-25-05-02-05?
A: The probe provides an average scale factor of 7.87 V/mm (200 mV/mil), which represents the standard output scaling for eddy-current proximity transducers.

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

Field Installation Guidelines

Install the probe with the M10 x 1 threaded connection according to the mechanical drawing requirements of the monitoring system. Confirm that the sensing tip maintains the required clearance from the rotating target surface before commissioning.

Route the coaxial cable away from high-current power conductors, variable frequency drive output cables, and strong electromagnetic interference sources. Maintain proper cable shielding practices and connect the shield according to the monitoring system grounding requirements.

Verify the probe gap voltage after installation and confirm that the signal output changes correctly during shaft movement. Check the complete probe, extension cable, and Proximitor Sensor chain before placing the machinery protection system into service.