Bently Nevada · Industrial Monitoring
Bently Nevada 330901-00-32-10-02-05 3300 NSv 1/4-28 UNF Proximity Probe
330901-00-32-10-02-05 is a 1/4-28 UNF standard-mount 3300 NSv proximity probe without armor. It has 0.0 in unthreaded length, 3.2 in overall case length, 1.0 m total length, a miniature coaxial ClickLoc connector with standard cable, and the multiple-approvals option.
Product Profile
330901-00-32-10-02-05 is a 1/4-28 UNF standard-mount 3300 NSv proximity probe without armor. It has 0.0 in unthreaded length, 3.2 in overall case length, 1.0 m total length, a miniature coaxial ClickLoc connector with standard cable, and the multiple-approvals option.
The probe is the sensing element of the 3300 XL NSv Proximity Transducer System. Together with an NSv extension cable and 3300 XL NSv Proximitor Sensor, it provides non-contact eddy-current measurement of shaft vibration and position and can also support speed and phase-reference measurements.
The NSv platform is designed for machines with tight probe clearances and small targets. Its 1.5 mm linear range, 7.87 V/mm average scale factor and compact geometry suit centrifugal air compressors, refrigeration compressors, process-gas compressors and other fluid-film bearing machines.
Technical Data
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Manufacturer
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Bently Nevada, a Baker Hughes company
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Part Number
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330901-00-32-10-02-05
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Base probe
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330901 — 1/4-28 UNF, without armor
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Unthreaded length
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0.0 in
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Case length
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3.2 in
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Total length
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1.0 m
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Connector
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ClickLoc, standard cable
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Approval
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Multiple approvals
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System Role
Compact NSv Probe Geometry
The 1/4-28 UNF body of 330901-00-32-10-02-05 is suited to installations where counterbore dimensions, side-view clearance or target size restrict larger proximity probes.
Non-Contact Eddy-Current Measurement
330901-00-32-10-02-05 senses changes in probe-to-target distance without physical contact and forms the sensing end of the NSv transducer system.
Matched NSv Signal Chain
The probe operates with a compatible NSv extension cable and 3300 XL NSv Proximitor Sensor. The electrical length and associated components must be matched as a system.
Small-Target Capability
The NSv system supports smaller targets and shafts than conventional 8 mm systems, making this configuration useful in compact compressor and rotating-equipment installations.
Static and Dynamic Measurement
The same NSv architecture supports radial vibration, radial position and axial-position measurements when target geometry and probe spacing meet the specified requirements.
Speed and Phase Reference
With a suitable rotating target and monitoring channel, the probe can also support tachometer, zero-speed and Keyphasor-type phase-reference measurements.
Compatibility
Confirm the complete configuration, mating components, mounting details and approval requirements before substitution.
Applications
Process Compressor Monitoring
330901-00-32-10-02-05 is suited to centrifugal air, refrigeration and process-gas compressors where compact probe geometry and chemical resistance are valuable.
Restricted Probe Locations
The small NSv form factor is useful where counterbores, side-view effects or rear-view clearance make a larger probe difficult to install.
Relative Shaft Vibration
The probe measures dynamic shaft motion relative to the bearing structure in a correctly configured NSv system.
Axial / Thrust Position
The system can monitor axial displacement when target size, probe gap and probe-to-probe spacing are correctly engineered.
Tachometer and Zero Speed
A suitable rotating target allows the NSv system to provide speed and zero-speed information to compatible monitoring channels.
Phase Reference
The probe can provide a phase-reference signal used for vibration diagnostics and machinery analysis.
Frequently Asked Questions
1. Can 330901-00-32-10-02-05 replace a 3300 RAM probe?
NSv probes and extension cables are mechanically and electrically compatible with earlier 3300 RAM probe and extension-cable components, but the complete signal chain should still be checked.
2. Can 330901-00-32-10-02-05 replace a 3000-series or 7000-series 190 probe by itself?
No. That upgrade requires the probe, extension cable and Proximitor Sensor to be replaced with NSv components.
3. What installation conditions should be checked for 330901-00-32-10-02-05?
Check target material and size, shaft diameter, probe gap, probe spacing, system length and mounting clearance.
4. Does 330901-00-32-10-02-05 option 02 include a connector protector?
No. Environmental protection of the ClickLoc joint should be considered for wet or oily locations.
5. Can 330901-00-32-10-02-05 be calibrated to another target material?
Yes. Other target-material calibrations are available, but standard accuracy and interchangeability values do not automatically apply.
6. What should be supplied when requesting an exact 330901-00-32-10-02-05 replacement?
Provide the probe, extension-cable and Proximitor Sensor numbers, target material, shaft diameter, mounting arrangement and approvals.
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