Description

Bently Nevada 330905-00-08-10-02-00 3300 NSv Proximity Probe

The Bently Nevada 330905-00-08-10-02-00, also cataloged as the 330905 Proximity Probe, operates as a dedicated hardware component for shaft displacement and vibration signal measurement within the 3300 NSv Eddy Current Transducer System.

Hardware Specifications

Parameter	Specification
Model	330905-00-08-10-02-00
Brand	Bently Nevada
Product Type	3300 NSv Eddy Current Proximity Probe
System Series	3300 NSv Proximity Transducer System
Origin	USA
Weight	0.05 kg
Dimensions	Estimated shipping size: 1.6 x 1.4 x 119 cm
Probe Configuration	M10 x 1 metric thread, without armor
Probe Case Thread	M10 x 1, 15 mm
Metric Thread Configuration	80 mm
Total Length	1.0 meter (39 in)
Cable Type	Miniature coaxial ClickLoc connector standard cable
Connector Option	ClickLoc miniature coaxial connector
Probe Tip Diameter	5 mm (0.20 in)
Probe Body Diameter	5.8 mm (0.23 in)
Linear Range	80 mil (2 mm)
Average Scale Factor	7.87 V/mm (200 mV/mil)

Eddy-Current Probe Scaling and Rotor Dynamics

The Bently Nevada 330905-00-08-10-02-00 uses eddy-current probe scaling 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 allows the 3300 NSv system to process radial vibration, radial position, axial position, tachometer, and phase reference measurements.

Furthermore, the probe design supports rotor dynamics monitoring on fluid-film bearing machinery. The compact 5 mm probe tip allows installation in restricted counterbore, side-view, and rear-view locations where standard 3300 and 3300 XL 5 mm or 8 mm probes cannot be installed.

The system maintains gap voltage measurement principles used in Bently Nevada eddy-current monitoring technology. During installation, technicians validate the probe gap voltage condition against the typical -10 VDC target range to confirm correct probe positioning and signal operation.

Frequently Asked Questions

Q: What mechanical interfaces does the 330905-00-08-10-02-00 probe support?
A: The probe uses an M10 x 1 metric thread with a 15 mm probe case thread length. It provides an 80 mm metric thread configuration for compact installation locations.

Q: Can this probe replace standard 3300 XL 8 mm probes?
A: The 3300 NSv probe provides the same 80 mil (2 mm) linear measurement range as the standard 3300 XL 8 mm system, but it uses a smaller probe body for restricted installation areas.

Q: What measurements can the probe perform in a monitoring system?
A: The probe supports radial vibration, radial position, axial thrust position, tachometer, zero speed, and Keyphasor phase reference measurements when connected to compatible Bently Nevada monitoring hardware.

Field Installation Guidelines

• Install the probe with the specified M10 x 1 mounting thread and maintain proper mechanical alignment with the target shaft surface.
• Verify probe gap voltage after mechanical installation before placing the monitoring channel into service.
• Route the miniature coaxial cable away from high-current power conductors to reduce electrical interference.
• Maintain proper cable shielding practices and connect the shield according to the monitoring system grounding requirements.
• Avoid excessive cable bending near the ClickLoc connector to prevent mechanical stress on the coaxial connection.
• Confirm the probe target material and surface condition meet eddy-current measurement requirements before calibration.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems