Bently Nevada 330904-00-19-05-01-00 — 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, the 3300 XL NSv series represents the industry benchmark for eddy-current proximity sensing in turbomachinery protection systems.
Product Positioning
Part number 330904-00-19-05-01-00 is a complete proximity transducer assembly configured for 19 mm probe tip diameter, 5-metre extension cable, standard 1-metre driver cable, and 0 VDC output bias — optimized for integration with Bently Nevada 3300 series monitors and System 1 condition monitoring software. This configuration is widely specified in power generation, oil & gas, and petrochemical turbomachinery protection loops.
Complete Technical Specifications
- Part Number: 330904-00-19-05-01-00
- Series / Platform: Bently Nevada 3300 XL NSv
- Sensing Technology: Eddy-current (non-contact)
- Probe Tip Diameter: 19 mm (0.75 in)
- Extension Cable Length: 5 m (16.4 ft)
- Driver Cable Length: 1 m (3.3 ft)
- Output Bias Voltage: 0 VDC (standard)
- Linear Range: 0.25 mm – 2.54 mm (10 – 100 mil)
- Scale Factor: 7.87 V/mm (200 mV/mil) nominal
- Frequency Response: DC – 10,000 Hz (–3 dB)
- Operating Temperature: –35 °C to +177 °C (probe); –35 °C to +66 °C (driver)
- Supply Voltage: –24 VDC (nominal)
- Target Material: AISI 4140 steel or equivalent ferromagnetic alloy
- Connector Type: MIL-C-5015 series (standard Bently Nevada)
- Approvals / Certifications: CE, ATEX, IECEx (intrinsically safe configurations available)
- Weight: Approx. 140 g (complete assembly)
- Manufacturer: Bently Nevada (Baker Hughes)
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbines (power generation, combined-cycle plants)
- Centrifugal and axial compressors (upstream/downstream oil & gas)
- Boiler feed pumps and large centrifugal pumps
- Gearboxes and expanders in petrochemical facilities
- Marine propulsion shafting systems
- Hydro turbines and large motor-driven equipment
Engineering Advantages
- Non-contact measurement eliminates wear and enables continuous 24/7 monitoring without process interruption
- Wide frequency bandwidth (DC–10 kHz) captures both slow-roll runout and high-frequency sub-synchronous instabilities
- High temperature probe tip rated to +177 °C for direct bearing-proximity installation
- Plug-and-play compatibility with Bently Nevada 3300 series monitors (3300/16, 3300/20, 3300/25, 3300/55) and System 1 software
- Robust MIL-spec connectors resist vibration, moisture, and chemical exposure in harsh plant environments
- Traceable calibration — each unit ships with factory calibration data traceable to NIST standards
System Architecture & Signal Flow
The 330904-00-19-05-01-00 operates as a three-component eddy-current system:
- Probe (19 mm tip) — generates a high-frequency electromagnetic field directed at the rotating shaft target
- Extension Cable (5 m) — transmits the RF signal between probe and driver with controlled impedance; must not be cut or spliced
- Driver / Oscillator-Demodulator (1 m cable) — converts the impedance change caused by shaft proximity into a DC voltage output proportional to gap distance; output feeds directly to the monitor input card
Output signal: –(Bias VDC) ± linear range voltage → monitor interprets as shaft displacement in µm or mil peak-peak.
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified OEM-surplus channels
- Pre-shipment inspection: visual, connector integrity, and cable continuity check
- Original factory labels, serial numbers, and date codes intact and verified
- Packaging: anti-static foam, moisture-barrier bag, outer carton with shock indicators
- Certificate of conformance (CoC) available upon request
- Lead time: typically 1–3 business days for in-stock units; expedited options available
Procurement Process
- Confirm part number 330904-00-19-05-01-00 matches your monitor input card and cable routing requirements
- Submit inquiry or place order via Konmask.com or email support@konmask.com
- Receive order confirmation with estimated ship date and tracking
- Request CoC, datasheet, or calibration records at time of order if required by your QA process
- For volume orders (>5 units) or blanket POs, contact us for preferential pricing
Technical FAQ
Q: Can this transducer be used with non-Bently Nevada monitors?
A: The 3300 XL NSv driver output is a standard –24 VDC-powered, voltage-output signal compatible with most third-party vibration monitors that accept eddy-current transducer inputs. Verify input impedance and bias voltage requirements with your monitor manufacturer.
Q: Is the extension cable field-replaceable?
A: No. The probe, extension cable, and driver are a matched, calibrated set. Substituting individual components will alter the system scale factor and invalidate calibration. Always replace as a complete assembly.
Q: What is the recommended gap voltage for initial setup?
A: Bently Nevada recommends a nominal gap of –10.0 VDC (approximately 1.27 mm / 50 mil) for most radial vibration applications. Refer to the 3300 XL NSv Installation Manual (Bently Nevada P/N 141536-01) for machine-specific guidance.
Q: Are ATEX/IECEx certified versions available?
A: Yes. Intrinsically safe configurations are available for Zone 1/Zone 2 hazardous area installations. Contact us with your area classification and temperature class requirements.
Q: What warranty applies?
A: Konmask.com provides a 90-day functional warranty on all verified units. Extended warranty and exchange programs available — contact us for details.
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