Description

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

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

Hardware Specifications

Parameter	Specification
Model	330910-00-07-10-02-00
Brand	Bently Nevada
Product Series	3300 NSv Proximity Probe / 3300 XL NSv Proximity Transducer Series
Origin	USA
Dimensions	70 mm case length, M10 x 1 metric thread, 1.0 m integral cable
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Passive probe device; power supplied by matching 3300 XL NSv Proximitor Sensor
Measurement Type	Eddy-current non-contact displacement measurement
Target Application	Small shaft radial vibration and axial position monitoring
Target Size Capability	Shafts smaller than 51 mm or flat axial targets smaller than 15 mm
Incremental Scale Factor	7.87 V/mm (200 mV/mil) typical with matching Proximitor Sensor
Linear Operating Range	Approximately 1.5 mm (60 mils)
Frequency Response	0 Hz to 10 kHz (+0, -3 dB typical)
Calibration Target Material	AISI 4140 steel
Probe Thread	M10 x 1 metric thread
Probe Tip Material	Polyphenylene sulfide (PPS)
Probe Case Material	AISI 304 stainless steel
Cable Type	1.0 m integral fluid-resistant cable with miniature ClickLoc connector
Cable Resistance	4.2 +/- 0.5 ohm DC resistance between center conductor and outer shield
Maximum Mounting Torque	33.9 N m (300 in lb)
Recommended Installation Torque	5.1 N m (45 in lb)
Humidity Limit	100% condensing, sealed probe construction

Eddy-Current Probe Scaling and Gap Voltage Validation

The 330910-00-07-10-02-00 uses eddy-current sensing technology to convert shaft surface displacement into proportional electrical output through a matched 3300 XL NSv Proximitor Sensor. The system provides a nominal scale factor of 7.87 V/mm for vibration and position monitoring.

During installation, technicians validate the probe gap voltage to maintain the correct operating point. The monitoring loop typically references the -10 VDC gap voltage target used by Bently Nevada proximity measurement systems. Therefore, correct probe positioning directly affects displacement accuracy and rotor dynamics analysis.

The probe design also supports small-target rotor applications where standard probe diameters cannot achieve required mechanical clearance. In addition, the narrow side-view configuration reduces installation restrictions around compact rotating assemblies.

Frequently Asked Questions

Q: Can the 330910-00-07-10-02-00 operate as a standalone sensor?
A: No. The probe requires a compatible 3300 XL NSv Proximitor Sensor and appropriate extension cable to complete the eddy-current measurement circuit.

Q: What target materials are used for standard calibration?
A: The probe is calibrated for AISI 4140 steel targets. Different target materials may require calibration verification.

Q: What installation condition affects measurement accuracy most?
A: Probe gap setting, mounting stability, cable routing, and correct shield connection directly influence displacement signal quality.

Field Installation Guidelines

• Install the probe with the M10 x 1 metric threaded body according to the mechanical mounting drawing.
• Set the probe gap within the specified linear operating region before commissioning the monitoring channel.
• Verify the gap voltage at the connected Proximitor Sensor before operating the machinery.
• Maintain cable separation from high-current power conductors to reduce electrical interference.
• Connect cable shielding according to the monitoring system grounding practice.
• Avoid excessive bending stress near the probe cable termination and ClickLoc connector area.
• Confirm the probe tip alignment with the shaft or axial target surface before final tightening.
• Use the recommended mounting torque to prevent mechanical damage while maintaining sensor

Specifications

• Brand: Bently Nevada

Advantages

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