Bently Nevada 330101-00-37-05-02-00 – 8mm Eddy Current Proximity Probe | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for continuous shaft vibration and position monitoring in rotating machinery. Deployed across power generation, oil & gas, petrochemical, and heavy industrial sectors for decades, the 3300 XL proximity probe system delivers the measurement accuracy and long-term reliability demanded by API 670-compliant machinery protection systems.
Product Positioning
The 330101-00-37-05-02-00 is an 8mm eddy current proximity probe with a 5-metre (16.4 ft) integral cable, designed for direct integration with Bently Nevada 3300 XL proximitor/seismic monitors. It provides non-contact, continuous measurement of radial shaft vibration, axial position, and differential expansion — critical parameters for turbines, compressors, pumps, and gearboxes. This SKU is sourced, inspected, and stocked by Konmask.com for B2B procurement teams requiring verified, shelf-ready components.
Complete Technical Specifications
| Part Number / SKU | 330101-00-37-05-02-00 |
| Brand / Manufacturer | Bently Nevada (Baker Hughes) |
| Series / Platform | 3300 XL Proximity Transducer System |
| Probe Tip Diameter | 8 mm |
| Cable Length | 5 m (16.4 ft) integral armored cable |
| Thread Size | M10 × 1.0 |
| Linear Range | 0.25 mm – 2.25 mm (10 – 90 mil) |
| Scale Factor (Sensitivity) | 7.87 V/mm (200 mV/mil) nominal |
| Frequency Response | DC – 10,000 Hz (–3 dB) |
| Operating Temperature | –35 °C to +177 °C (–31 °F to +351 °F) |
| Supply Voltage | –24 VDC (via proximitor) |
| Output Voltage Range | –2 VDC to –18 VDC |
| Target Material | AISI 4140 steel (standard); consult factory for other alloys |
| Connector | 3-pin MIL-C-5015 style (integral) |
| Housing Material | 316 stainless steel |
| IP Rating | IP67 |
| Compliance | API 670, CE, RoHS |
| Compatible Proximitor | 3300 XL 8mm Proximitor (e.g., 330180-X1-05) |
| Weight | Approx. 200 g |
| Country of Origin | United States |
Proven Application Environments
- Steam & Gas Turbines — radial shaft vibration and thrust position monitoring per API 670
- Centrifugal Compressors — continuous rotor dynamic surveillance in oil & gas trains
- Boiler Feed Pumps — axial displacement measurement in high-temperature environments
- Gearboxes & Expanders — differential expansion and eccentricity monitoring
- Hydro Turbines — shaft runout and position in wet, submerged installations
- Motor-Driven Fans & Blowers — vibration baseline and alarm setpoint commissioning
Engineering Advantages
- Non-contact measurement — zero mechanical wear, suitable for continuous 24/7 operation
- Wide temperature range — rated to +177 °C for hot-section and exhaust-side installations
- High frequency response — DC to 10 kHz captures sub-synchronous, synchronous, and high-frequency rotor events
- Integral armored cable — eliminates field-assembly errors; cable is factory-matched and calibrated to the probe
- 316 SS housing + IP67 — corrosion-resistant in H₂S, steam, and wash-down environments
- API 670 compliant — drop-in replacement for existing 3300 XL installations without recalibration of the monitor
- System-matched sensitivity — 7.87 V/mm scale factor pre-matched to 3300 XL proximitor for plug-and-play commissioning
System Architecture & Signal Flow
The 330101-00-37-05-02-00 operates as the sensing element in a three-component eddy current transducer system:
- Proximity Probe (this unit) — generates a high-frequency electromagnetic field; eddy currents induced in the target shaft modulate the field proportionally to gap distance.
- Extension Cable (if required) — 3300 XL series extension cables (e.g., 330130-045-00-00) extend the probe-to-proximitor distance up to 9 m total system length.
- Proximitor / Signal Conditioner (e.g., 330180-X1-05) — demodulates the oscillator signal and outputs a DC voltage proportional to gap; feeds the 3500/3300 monitor rack.
Total system cable length (probe cable + extension cable) must not exceed the calibrated system length specified on the proximitor label.
Sourcing & Quality Verification
- All units stocked by Konmask.com are sourced through verified industrial supply channels.
- Each probe is inspected for physical integrity, connector condition, and cable continuity prior to dispatch.
- Original manufacturer packaging and documentation are preserved where available.
- Traceability records (lot/date codes) available upon request for regulated industries.
- We do not stock counterfeit, refurbished-as-new, or grey-market units — procurement engineers can request inspection photos before order confirmation.
Procurement Process
- Confirm compatibility — verify your proximitor model and total system cable length before ordering.
- Request a quote — contact us for volume pricing, lead time, and availability confirmation.
- Place order — standard B2B invoicing, wire transfer, and credit terms available for qualified accounts.
- Shipping — DHL / FedEx international express; export documentation (commercial invoice, packing list, COO) included.
- After-sales support — technical assistance for installation, commissioning, and system troubleshooting available post-delivery.
Technical FAQ
Q: Can this probe be used with a 3300 NSv or 3500 series monitor?
A: The 330101-00-37-05-02-00 is calibrated for the 3300 XL 8mm proximitor. Use with 3500 series monitors requires a compatible 3300 XL proximitor in the signal path — direct connection to a 3500 monitor input is not supported without the correct proximitor.
Q: What is the maximum gap for reliable measurement?
A: The linear range is 0.25 mm to 2.25 mm. Operating beyond 2.25 mm will result in output saturation and unreliable readings. Initial installation gap should be set to the midpoint (~1.25 mm / 50 mil) per Bently Nevada installation procedures.
Q: Is the cable field-replaceable?
A: No. The integral cable is factory-matched and calibrated as a system with the probe. Field replacement of the cable voids the calibration. If the cable is damaged, the entire probe assembly (this SKU) must be replaced.
Q: What target materials are compatible?
A: AISI 4140 steel is the standard calibration target. Other ferromagnetic and non-ferromagnetic alloys will produce different scale factors. Consult Bently Nevada application notes or contact Konmask technical support for alloy-specific correction factors.
Q: Do you provide calibration certificates?
A: Factory calibration data is embedded in the probe/proximitor system matching. Individual calibration certificates from the OEM are not routinely available for standard stock units. For certified-calibration requirements, please contact us prior to ordering.
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