وصف

Bently Nevada 330903-02-16-05-02-00 3300 NSv Proximity Probe

The Bently Nevada 330903-02-16-05-02-00, also cataloged as the 330903 3300 NSv Proximity Probe, operates as a dedicated hardware component for eddy-current displacement measurement within the 3300 NSv Proximity Transducer System. The probe provides non-contact shaft position and vibration signals through a miniature coaxial connection.

Hardware Specifications

Parameter	Specification
Model	330903-02-16-05-02-00
Brand	Bently Nevada
Product Series	3300 NSv Proximity Probe
Product Type	Eddy-Current Proximity Sensor
Origin	USA
Weight	0.14 kg
Dimensions	M8x1 thread, 160 mm case length, 0.5 meter total cable length
Operating Temp	-52 deg C to +177 deg C
Power Consumption	Supplied by external Proximitor Sensor, no independent power input
Thread Type	M8x1 metric, unarmored design
Unthreaded Length	20 mm
Linear Range	0 to 1.5 mm (0 to 60 mils)
Incremental Scale Factor	7.87 V/mm (200 mV/mil) nominal
Recommended Gap Setting	1.0 mm (40 mils)
Frequency Response	0 to 10 kHz (+0, -3 dB typical)
Deviation From Straight Line	Less than +/-0.06 mm (+/-2.3 mils)
Probe Tip Material	Polyphenylene sulfide (PPS)
Probe Case Material	AISI 304 Stainless Steel
Connector Type	Miniature coaxial ClickLoc gold-plated connector
Maximum Torque	0.56 N m

Eddy-Current Probe Scaling and Rotor Dynamics Measurement

The 3300 NSv proximity probe uses eddy-current sensing technology to convert shaft displacement into proportional electrical output. The probe maintains a nominal incremental scale factor of 7.87 V/mm, which allows the connected Proximitor Sensor to process dynamic vibration and axial position signals.

Additionally, the M8x1 compact mechanical structure supports installations where probe clearance is restricted. The sensor geometry minimizes installation interference near small-diameter rotating shafts while maintaining signal response characteristics required for rotor dynamics analysis.

The system applies gap voltage validation through the Proximitor Sensor interface. During commissioning, technicians normally verify the probe gap voltage near the -10 VDC target condition to confirm correct operating range and probe-to-target positioning.

Frequently Asked Questions

Q: What type of signal does the 330903-02-16-05-02-00 generate?
A: The probe generates an eddy-current displacement signal that requires connection to a compatible Bently Nevada Proximitor Sensor for signal conditioning and output conversion.

Q: Can the probe operate without a Proximitor Sensor module?
A: No. The probe is a passive sensing element and requires an external Proximitor Sensor to provide excitation, linearization, and vibration monitoring outputs.

Q: What installation factors affect measurement accuracy?
A: Probe gap setting, shaft target material, mechanical alignment, cable routing, and connector protection directly influence measurement stability and signal quality.

Field Installation Guidelines

1. Install the probe with the M8x1 thread engagement aligned to the machine mounting point. Avoid mechanical stress on the probe body during tightening.
2. Set the probe gap according to the connected Proximitor Sensor calibration requirements. Verify the gap voltage before commissioning.
3. Protect the miniature coaxial ClickLoc connector from contamination, moisture, and mechanical impact.
4. Route the probe cable separately from high-current power conductors to reduce electrical interference.
5. Connect cable shielding according to the monitoring system grounding practice. Avoid multiple grounding points that may introduce signal noise.
6. Confirm the probe tip clearance and target surface condition before starting rotating equipment.

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