Description

Bently Nevada 330905-00-15-05-02-00 3300 XL NSv Proximity Probe

The Bently Nevada 330905-00-15-05-02-00, also cataloged as the 330905 3300 XL NSv Proximity Probe, operates as a dedicated hardware component for non-contact shaft displacement measurement within Bently Nevada proximity monitoring systems.

Hardware Specifications

Parameter	Specification
Model	330905-00-15-05-02-00
Brand	Bently Nevada
Product Series	3300 XL NSv Proximity Transducer System
Product Type	Eddy-current Proximity Probe
Origin	USA
Weight	0.14 kg
Dimensions	Estimated shipping size: 109 x 2 x 1.5 cm
Thread Size	M10 x 1
Unthreaded Length	0 mm
Overall Case Length	150 mm
Total Length	0.5 meter (20 inches)
Connector Type	Miniature coaxial ClickLoc connector
Cable Type	Standard coaxial cable
Armor Configuration	Without Armor
Probe Tip Material	Polyphenylene sulfide (PPS)
Case Material	AISI 303 or 304 stainless steel
Cable Construction	75 ohm triaxial FEP insulated cable
Linear Range	1.5 mm (60 mils)
Scale Factor	7.87 V/mm (200 mV/mil) average with NSv Proximitor Sensor
Frequency Response	0 to 10 kHz, typically +0, -3 dB down to 2 Hz depending on field wiring
Operating Temp	-52 deg C to +177 deg C
Storage Temp	-52 deg C to +177 deg C
Relative Humidity	100% condensing, non-submerged when properly sealed
Power Consumption	Supplied by compatible NSv Proximitor Sensor

Eddy-Current Measurement and Rotor Dynamics Characteristics

The 330905-00-15-05-02-00 uses eddy-current probe scaling to convert shaft displacement into proportional electrical output signals. When paired with an NSv Proximitor Sensor, the probe provides a 7.87 V/mm scale factor for radial vibration, radial position, and axial position measurements.

In addition, the NSv probe design reduces signal distortion caused by limited installation clearance. Therefore, it supports rotor dynamics analysis on small-diameter shafts where conventional probe geometries may experience mechanical interference or cross-talk effects.

The probe system requires gap voltage validation during installation. Field adjustment normally targets the Bently Nevada standard -10 VDC gap voltage condition to establish the correct operating position between the probe tip and the monitored shaft surface.

Frequently Asked Questions

Q: What measurement signals does the Bently Nevada 330905-00-15-05-02-00 provide?
A: The probe measures shaft displacement using eddy-current sensing and provides proportional vibration, radial position, or axial position signals through a compatible NSv Proximitor Sensor.

Q: Can the probe operate in confined installation locations?
A: Yes. The 3300 XL NSv design supports installations with limited radial clearance, small targets, and small shaft diameters where standard probe arrangements may not fit.

Q: What installation verification is required after mounting the probe?
A: The installed probe gap should be checked through gap voltage measurement. The field setup should verify the correct electrical operating position before machinery monitoring begins.

Field Installation Guidelines

• Install the M10 x 1 threaded probe body with correct mechanical alignment to the monitored shaft target.
• Maintain the specified probe gap position and verify gap voltage before connecting the monitoring channel.
• Route the triaxial cable away from high-current power conductors to reduce electromagnetic interference.
• Use proper cable support and avoid excessive bending near the ClickLoc connector area.
• Ensure the probe case and cable sealing arrangement prevents moisture ingress in condensing environments.
• Connect the probe only with a compatible Bently Nevada NSv Proximitor Sensor to maintain the specified scaling characteristics.

Specifications

• Brand: Bently Nevada

Advantages

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