Bently Nevada 330901-05-32-05-02-00 | 3300 NSv Proximity Probe

Description

• Brand: Bently Nevada
• Full Model Number: 330901-05-32-05-02-00
• Lifecycle Status: Active
• Core Function: 3300 NSv eddy-current proximity probe for radial vibration, radial position, axial position, tachometer, and Keyphasor measurements
• Top 3 Technical Specs: 1/4-28 UNF thread; 3.2 in case length with 0.5 in unthreaded length; 0.5 m total cable with miniature coaxial ClickLoc connector
• Stock & Condition: New surplus / tested inventory — verify complete NSv transducer-system configuration before PO

Baker Hughes identifies 330901 as a 3300 NSv Probe with 1/4-28 UNF thread and without armor. For the supplied configuration, 05 means 0.5 in unthreaded length, 32 means 3.2 in overall case length, 05 means 0.5 m total length, 02 specifies the miniature coaxial ClickLoc connector with standard cable, and 00 means no agency approval.

Module 3: Obsolescence & Supply Chain Deep Dive

A damaged 330901 probe can remove an individual shaft-vibration or position measurement point from service while the Proximitor Sensor, monitoring rack, and control system remain operational. The 330901-05-32-05-02-00 is part of the Bently Nevada 3300 XL NSv Proximity Transducer System, a small-target transducer family intended for applications where installation clearance is restricted. The NSv system supports radial vibration, radial position, axial position, tachometer, zero-speed, and Keyphasor measurements

From a TCO perspective, replacing only the failed probe can preserve the existing Proximitor Sensor, extension cable arrangement, monitor channel, and field installation. That is typically much less expensive than replacing an entire measurement chain. The procurement risk is configuration accuracy: this exact model uses 1/4-28 UNF threading, 3.2 in case length, 0.5 in unthreaded length, 0.5 m total cable, standard ClickLoc connector, and no agency approval. The replacement must also be electrically matched to the associated NSv Proximitor Sensor and extension cable.

Bently Nevada 330901-05-32-05-02-00

Module 4: Compatibility & Replacement Matrix

Field Traps — Watch Out

1/4-28 UNF versus metric threading: The 330901 family is the standard-mount 1/4-28 UNF version without armor. Bently Nevada separately lists M8X1, M10X1, and 3/8-24 UNF probe families. The physical thread must match the existing mounting arrangement.

Probe length is not the system length: The 05 in the C position specifies 0.5 m total probe length, while the overall NSv measurement system is normally completed with an extension cable and Proximitor Sensor. Baker Hughes specifically states that probe and extension-cable lengths must match the Proximitor Sensor’s specified system length.

Module 5: Quality Assurance & Testing SOP

The 330901-05-32-05-02-00 should be treated as a precision eddy-current probe and validated as part of the complete NSv transducer chain.

1. Incoming inspection

• Record manufacturer, complete part number, serial/date code, and packaging identification.
• Perform OEM anti-counterfeit visual inspection.
• Inspect probe tip, threaded body, cable jacket, strain relief, and ClickLoc connector.
• Check for thread damage, tip deformation, corrosion, crushed cable, contamination, or connector damage.
• Confirm the probe is the unarmored 330901 configuration.

2. Configuration verification

• Confirm 330901-05-32-05-02-00 exactly.
• Verify 05 unthreaded length = 0.5 in.
• Verify 32 overall case length = 3.2 in.
• Verify 05 total cable length = 0.5 m.
• Verify 02 miniature coaxial ClickLoc connector with standard cable.
• Verify 00 no-agency-approval configuration.
• Photograph identification and connector markings for traceability.

3. Electrical inspection

• Measure probe DC resistance against the applicable NSv specification.
• Verify conductor and shield continuity.
• Perform insulation testing using an appropriate controlled procedure.
• Check for conductor-to-shield shorts.
• Inspect the ClickLoc connector contacts.
• Perform controlled flex testing to detect intermittent cable faults.

4. Functional testing

• Connect the probe to a compatible 3300 XL NSv Proximitor Sensor.
• Verify correct sensor excitation.
• Apply a calibrated target displacement or approved probe test fixture.
• Confirm output response across the applicable linear range.
• Verify the expected NSv scale factor behavior.
• Confirm stable signal transmission with no excessive noise or intermittent dropout.
• Verify the complete probe/extension/Proximitor measurement chain where the laboratory setup permits.
• Perform I/O load testing at the receiving monitor interface where applicable.

The published NSv specification identifies a 1.5 mm linear range and a recommended 1.0 mm probe gap, with an average scale factor of 7.87 V/mm for the complete NSv transducer system under specified test conditions.

5. Final QC

• Record resistance, insulation, signal-response, gap, serial number, and test date.
• Confirm complete ordering-code configuration.
• Generate a unit-specific Test Report.
• Protect the probe tip, threads, and connector from impact and contamination.
• Package with appropriate mechanical and moisture protection.
• Apply final QC identification before shipment.

Module 6: Procurement & Lifecycle FAQ

Is Bently Nevada 330901-05-32-05-02-00 genuinely in stock, and what is the emergency-shipping cutoff?

Physical availability should be confirmed against the actual unit, including complete ordering code, condition, and inspection status. Baker Hughes’ current NSv documentation remains available and identifies 330901 as a current NSv probe family, while emergency dispatch depends on completed QC, order/payment clearance, warehouse processing, and the courier cutoff.

How do you guarantee the condition and authenticity of surplus probes?

Require complete part-number verification, probe-tip and thread inspection, cable continuity, insulation testing, connector inspection, and functional testing through a compatible NSv Proximitor Sensor. The actual unit identification should be photographed and retained with the Test Report.

Are there any firmware compatibility issues I should warn my engineers about before issuing the PO?

The probe itself does not contain application firmware. The important checks are probe family, Proximitor Sensor compatibility, extension-cable length, connector type, installation geometry, and target material. Baker Hughes notes that the published system accuracy and interchangeability specifications are tied to the specified calibration target, so the target material should also be considered during engineering verification.

Can I substitute another Bently Nevada 3300 NSv probe?

Not automatically. The NSv family includes different thread types, armored and unarmored configurations, case lengths, total lengths, connector options, and approval selections. For this specific unit, engineering should verify 1/4-28 UNF thread, 0.5 in unthreaded length, 3.2 in case length, 0.5 m total length, standard ClickLoc connector, and no agency approval.

What warranty and return terms should procurement require?

Specify 330901-05-32-05-02-00, serial number, complete configuration, tested condition, warranty period, DOA criteria, acceptance window, and return procedure in the PO. Functional acceptance should include mechanical inspection, electrical continuity, compatible-Proximitor testing, and verified measurement response at the specified installation gap.