Description

Bently Nevada 330910-07-23-10-02-00 3300 NSv Proximity Probe

The Bently Nevada 330910-07-23-10-02-00, also cataloged as the 330910 3300 NSv Proximity Probe, operates as a dedicated hardware component for eddy-current displacement measurement within the 3300 NSv Proximity Transducer System.

Hardware Specifications

Parameter	Specification
Model	330910-07-23-10-02-00
Brand	Bently Nevada
Product Type	3300 NSv Proximity Probe
Origin	USA
Dimensions	70 mm unthreaded length, 230 mm overall case length
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Supplied through 3300 XL NSv Proximitor Sensor, -17.5 VDC to -26 VDC
Thread Size	M10 x 1
Probe Series	3300 NSv Narrow Side View Proximity System
Cable Length	1.0 meter (39 in)
Connector Type	Miniature coaxial ClickLoc connector
Connector Material	Gold-plated brass
Probe Case Material	AISI 304 stainless steel
Armor Material	AISI 302 stainless steel flexible armor
Probe Tip Material	Polyphenylene Sulfide (PPS)
Linear Range	1.5 mm (60 mils)
Target Scale Factor	7.87 V/mm (200 mV/mil) average
Frequency Response	0 to 10 kHz (+0, -3 dB typical)
Recommended Target Material	AISI 4140 steel
Target Compatibility	Shaft diameter less than 51 mm (2 in), axial target diameter less than 15 mm (0.6 in)

Eddy-Current Measurement and Rotor Dynamics Characteristics

The 330910-07-23-10-02-00 uses eddy-current probe scaling to convert shaft displacement into proportional electrical output signals. The probe maintains a nominal scale factor of 7.87 V/mm for vibration and axial position monitoring applications.

Furthermore, the 3300 NSv system supports gap voltage validation through the Proximitor Sensor output, where technicians verify probe operating position near the typical -10 VDC target condition. This measurement confirms proper probe gap adjustment before machinery operation.

The narrow side view construction reduces installation restrictions in compact assemblies. Therefore, the probe supports rotor dynamics monitoring where limited radial clearance prevents installation of standard proximity probe designs. The shielded miniature coaxial connection helps reduce signal interference during high-frequency vibration measurement.

Frequently Asked Questions

Q: What measurement principle does the 330910-07-23-10-02-00 use?
A: The probe uses an eddy-current sensing principle to measure shaft displacement and provide dynamic vibration or axial position signals through the 3300 NSv Proximity Transducer System.

Q: Can the probe operate directly without a Proximitor Sensor?
A: No. The probe requires a compatible 3300 XL NSv Proximitor Sensor to provide excitation and process the eddy-current measurement signal.

Q: What installation factor must technicians verify during commissioning?
A: Technicians should verify probe gap voltage, mechanical alignment, target material compatibility, cable routing, and connector installation condition before system operation.

Field Installation Guidelines

• Install the M10 x 1 threaded probe into the prepared mounting location while maintaining correct mechanical alignment with the measurement target.
• Verify the unthreaded probe length and case dimensions before installation to prevent interference with surrounding machine components.
• Maintain proper separation between probe cable routing and high-current power conductors to reduce electrical noise coupling.
• Connect the miniature coaxial ClickLoc connector securely and inspect the cable armor for mechanical damage before commissioning.
• Confirm the probe gap voltage through the connected Proximitor Sensor and adjust the mounting position according to the required operating range.
• Use compatible target materials, such as AISI 4140 steel, to maintain specified eddy-current measurement characteristics.
• Ground cable shielding according to the machinery monitoring system installation requirements and avoid unnecessary shield loops.

Specifications

• Brand: Bently Nevada

Advantages

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