Description
- Brand: Bently Nevada
- Full Model Number: 330101-00-20-05-02-05
- Lifecycle Status: Active
- Core Function: 3300 XL 8 mm eddy-current proximity probe for shaft vibration and position measurement
- Top 3 Technical Specs: 8 mm probe; 3/8-24 UNF thread; 0.5 m cable with miniature coaxial ClickLoc connector
- Stock & Condition: New surplus / tested inventory — verify complete 9 m system configuration and hazardous-area approval before PO
The 330101-00-20-05-02-05 is a Bently Nevada 3300 XL 8 mm Proximity Probe with a 2.0-inch case, 0.5 m total cable length, miniature coaxial ClickLoc connector, and CSA/ATEX/IECEx approvals. The probe is designed for use as part of a matched 3300 XL proximity measurement system.
Module 3: Obsolescence & Supply Chain Deep Dive
A damaged proximity probe can take an entire vibration or shaft-position measurement point offline, even when the Proximitor Sensor and monitoring rack remain fully operational. The 330101-00-20-05-02-05 provides the sensing element for the 3300 XL 8 mm system and uses a 3/8-24 UNF threaded body, 2.0-inch case, 0.5 m cable, and ClickLoc connector. Its 05 approval option also makes it relevant to installations requiring CSA, ATEX, and IECEx certification.
From a TCO perspective, replacing only the failed probe avoids unnecessary replacement of the Proximitor Sensor, extension cable, monitor, and associated cabinet hardware. That can reduce outage duration, calibration work, engineering labor, and recommissioning costs. The major constraint is system matching: the probe’s electrical characteristics, cable length, connector, thread geometry, and approval configuration must correspond to the installed 3300 XL system. For a hazardous-area installation, the probe and extension cable must also form the intended certified system length and configuration.
Module 4: Compatibility & Replacement Matrix
| Procurement Check | 330101-00-20-05-02-05 Assessment | Engineering Action |
|---|---|---|
| Replacement Type | Drop-in Replacement for the same 3300 XL 8 mm probe configuration | Match complete ordering code |
| Software Compatibility | Not software-dependent | Verify connected Proximitor and monitor configuration |
| Hardware Modification | Normally none | Confirm thread, cable, connector, and mounting arrangement |
| Typical Switch Time | Approx. 1–3 hours | Add time for gap-setting and vibration verification |
| Estimated Engineering / Testing Cost | Approx. 300–1,500 | Include probe gap, signal, and alarm verification |
| Alternative | Different probe configuration | Requires technical review before substitution |
Field Traps — Watch Out
Matched-system requirement: The probe is only one element of the 3300 XL measurement chain. Its characteristics must match the associated Proximitor Sensor and extension cable. Do not substitute another 8 mm probe based solely on probe diameter.
Cable length and hazardous-area approval: This model has a 0.5 m total length and 05 agency-approval option. One published configuration reference describes it as suitable for a 9 m intrinsically safe system when paired with an appropriate 8.5 m extension cable. Confirm the complete probe-plus-extension combination before installation.

Bently Nevada 330101-00-20-05-02-05
Module 5: Quality Assurance & Testing SOP
The 330101-00-20-05-02-05 should be inspected as a precision eddy-current sensing component, with mechanical, electrical, and system-level checks completed before shipment.
1. Incoming inspection
- Record manufacturer, complete part number, serial/date code, and approval markings.
- Perform OEM anti-counterfeit visual inspection.
- Inspect the probe tip, stainless-steel case, cable jacket, strain relief, and ClickLoc connector.
- Check for scratches, deformation, corrosion, damaged threads, crushed cable, or connector damage.
- Verify the probe is supplied without unauthorized modification.
2. Configuration verification
- Confirm 330101-00-20-05-02-05 exactly.
- Verify
00unthreaded length. - Verify
202.0-inch case length. - Verify
050.5 m total length. - Verify
02miniature coaxial ClickLoc connector with standard cable. - Verify
05CSA/ATEX/IECEx approval option. - Photograph the complete identification and approval markings.
3. Electrical inspection
- Measure cable conductor DC resistance against the applicable specification.
- Check conductor-to-shield isolation.
- Verify connector pin continuity.
- Inspect the cable for intermittent opens under controlled flex testing.
- Verify probe electrical characteristics against the approved 3300 XL specification.
4. Functional testing
- Connect the probe to a compatible 3300 XL Proximitor Sensor.
- Verify the sensor produces the expected output response.
- Apply a controlled target displacement or calibrated gap condition.
- Confirm the expected scale factor and signal response.
- Verify the monitoring system recognizes a stable measurement.
- Check for excessive noise, unstable output, or intermittent signal loss.
- Perform I/O load testing at the monitor/control-system level where applicable.
5. Final QC
- Record measured resistance, isolation, signal response, serial number, and test date.
- Verify approval markings and complete model number.
- Generate a unit-specific Test Report.
- Protect the probe tip and ClickLoc connector against impact and contamination.
- Package with suitable mechanical and moisture protection.
- Apply final QC identification before shipment.
Module 6: Procurement & Lifecycle FAQ
Is Bently Nevada 330101-00-20-05-02-05 genuinely in stock, and what is the emergency-shipping cutoff?
Current supplier listings show this part as commercially available, with some listings indicating new stock. Actual allocation should still be confirmed against the physical unit, exact part number, approval marking, and QC status before the PO is released. Emergency dispatch depends on inspection completion, payment clearance, warehouse processing, and the courier cutoff.
How do you guarantee the condition and authenticity of an obsolete or surplus probe?
Require complete part-number verification, approval-marking inspection, probe-tip and thread inspection, cable continuity, shield testing, insulation testing, connector inspection, and functional testing with a compatible Proximitor Sensor. For this component, electrical signal verification is more meaningful than appearance alone.
Are there any firmware compatibility issues I should warn my engineers about before issuing the PO?
The probe itself has no firmware. The important engineering checks are probe type, Proximitor Sensor compatibility, extension-cable characteristics, installation gap, and total system configuration. The 3300 XL probe is a passive sensing element powered through its associated Proximitor Sensor.
Can I substitute another Bently Nevada 8 mm probe?
Not automatically. The ordering code defines important physical and system parameters, including thread configuration, case length, cable length, connector/cable type, and agency approval. A different 3300 XL 8 mm part may have a different cable length, connector arrangement, or certification package.
What warranty and return terms should procurement require?
Specify 330101-00-20-05-02-05, serial number, approval configuration, tested condition, warranty duration, DOA criteria, acceptance period, and return procedure in the PO. Functional acceptance should include mechanical inspection, electrical continuity, compatible-Proximitor testing, and successful measurement response at the installed gap.



Start Chat