Bently Nevada 330902-00-10-10-01-00 – Non-Contact Shaft Vibration Transducer | 3300 XL NSv Platform
Engineering Background
The Bently Nevada 3300 XL NSv (Non-contact Shaft Vibration) Proximity Transducer System is engineered for continuous, real-time measurement of radial shaft vibration, axial position, and differential expansion in critical rotating machinery. Developed under Baker Hughes’ Bently Nevada machinery protection portfolio, this system is the field-proven successor to the legacy 3300 series, delivering enhanced signal fidelity and EMI immunity for demanding industrial environments.
Product Positioning
Part number 330902-00-10-10-01-00 is a complete proximity transducer assembly configured for standard 5 mm gap range, 200 mV/mil (7.87 V/mm) sensitivity, and 5-metre integral cable. It is designed for direct integration with Bently Nevada 3300 XL series monitors and is fully compatible with System 1 condition monitoring software. This unit is the preferred choice for procurement engineers specifying API 670-compliant vibration protection on steam turbines, compressors, pumps, and gearboxes.
Complete Technical Specifications
| Part Number | 330902-00-10-10-01-00 |
| Series / Platform | Bently Nevada 3300 XL NSv |
| Measurement Type | Non-contact radial shaft vibration & axial position |
| Sensing Technology | Eddy-current (electromagnetic induction) |
| Nominal Gap Range | 0.25 – 2.25 mm (10 – 90 mil) |
| Linear Range | 1.0 – 1.75 mm (40 – 70 mil) |
| Scale Factor (Sensitivity) | 200 mV/mil (7.87 V/mm) |
| Frequency Response | DC – 10,000 Hz (–3 dB) |
| Supply Voltage | –24 VDC (nominal), –20 to –26 VDC |
| Output Voltage Range | –2 to –18 VDC |
| Cable Length | 5 m (16.4 ft) integral armoured cable |
| Probe Tip Diameter | 8 mm |
| Thread Size | M10 × 1.0 |
| Temperature Range (Probe) | –35 °C to +177 °C (–31 °F to +351 °F) |
| Temperature Range (Driver) | –35 °C to +85 °C |
| Ingress Protection | IP67 (probe body) |
| Approvals / Standards | API 670, CE, ATEX (Ex ia IIC T4), IECEx |
| Target Material | AISI 4140 steel (standard); consult factory for non-ferrous |
| Connector | Integral coaxial, armoured, with BNC or MIL-C-5015 termination |
| Weight | Approx. 200 g (complete assembly) |
| Country of Origin | United States |
Proven Application Environments
- Steam & Gas Turbines – Continuous shaft vibration monitoring per API 670 requirements
- Centrifugal Compressors – Radial bearing clearance and rotor dynamic analysis
- Boiler Feed Pumps – High-temperature proximity sensing in wet steam environments
- Gearboxes & Expanders – Differential expansion and thrust position measurement
- Petrochemical & Refinery Trains – Continuous online monitoring in hazardous area zones
- Power Generation – Integration with DCS/SCADA via Bently Nevada 3300 XL rack monitors
Engineering Advantages
- API 670 Compliant – Meets the industry standard for machinery protection systems without additional calibration
- Enhanced EMI Immunity – Armoured integral cable and differential driver design reject common-mode electrical noise in VFD-rich environments
- Extended Temperature Range – Probe rated to +177 °C for high-temperature bearing housings without external cooling
- Plug-and-Play Compatibility – Direct replacement for legacy 3300 series probes; no monitor reconfiguration required
- IP67 Sealing – Suitable for wash-down, condensate, and outdoor installations
- ATEX / IECEx Certified – Approved for Zone 0/1 hazardous areas (Ex ia IIC T4)
System Architecture & Signal Flow
The 330902-00-10-10-01-00 operates as a three-component system: Probe → Extension Cable → Proximitor® Driver. The eddy-current probe generates a high-frequency oscillating magnetic field (typically 1.0 MHz). When a conductive target (shaft) enters the field, induced eddy currents attenuate the oscillation amplitude. The Proximitor driver demodulates this signal into a DC voltage proportional to the probe-to-target gap, outputting –2 VDC (near gap) to –18 VDC (far gap) on a linear scale of 200 mV/mil. This DC output feeds directly into the 3300 XL monitor’s input card for alarm, trip, and trending functions within System 1 software.
Sourcing & Quality Verification
- All units sourced from authorised distributors or directly from Baker Hughes / Bently Nevada OEM channels
- Each assembly undergoes incoming inspection: visual, dimensional, and functional gap-vs-voltage linearity check
- Calibration certificate and original OEM packaging available upon request
- Traceability documentation (lot number, date code, country of origin) provided with every shipment
- Counterfeit-prevention: units verified against Bently Nevada part number matrix and holographic label authentication
Procurement Process
- Confirm compatibility – Verify your monitor card accepts 3300 XL NSv input (consult your rack BOM or contact our engineers)
- Submit RFQ – Email support@konmask.com with quantity, required delivery date, and site location
- Receive quotation – Typically within 4 business hours; includes lead time, unit price, and freight options
- Place order – Purchase order accepted via email, online checkout, or bank transfer (T/T)
- Shipment & documentation – Ships with commercial invoice, packing list, COO, and optional calibration certificate
- After-sales support – 12-month warranty; technical support available via email or WhatsApp
Technical FAQ
Q: Is the 330902-00-10-10-01-00 a complete system or probe-only?
A: This part number is a complete proximity transducer assembly including probe, 5 m integral cable, and Proximitor driver. No additional extension cable is required for standard installations.
Q: Can this probe be used with non-Bently Nevada monitors?
A: The output is a standard –24 VDC-powered, voltage-output eddy-current signal. It can interface with third-party monitors that accept this signal type, but API 670 compliance is only guaranteed when paired with Bently Nevada 3300 XL monitors.
Q: What is the recommended installation gap?
A: The optimal operating gap is 1.0 – 1.75 mm (40 – 70 mil), centred at approximately 1.27 mm (50 mil) for maximum linear range. Set gap voltage should read approximately –10 VDC at centre gap.
Q: Is ATEX certification included with this part number?
A: Yes. The 330902-00-10-10-01-00 carries ATEX Ex ia IIC T4 and IECEx certification as standard. No additional suffix is required for hazardous area use.
Q: What is the lead time for in-stock units?
A: In-stock units ship within 1–3 business days. For large quantities or urgent requirements, contact us directly for expedited options.
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