Bently Nevada 330910-00-04-50-02-00 – 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 the industry benchmark for continuous, real-time radial shaft vibration and position monitoring in rotating machinery. Engineered to API 670 standards, this system is deployed globally in turbines, compressors, pumps, and gearboxes where unplanned downtime carries six-figure costs per hour.
Product Positioning: Part number 330910-00-04-50-02-00 is a complete proximity transducer assembly — probe, extension cable, and Proximitor® sensor — configured for 5 mm gap, 50 Ω coaxial cable, and standard 24 VDC supply. It integrates directly with Bently Nevada 3300 series monitors and System 1® condition monitoring software without additional signal conditioning.
Complete Technical Specifications
- Part Number: 330910-00-04-50-02-00
- Series / Platform: 3300 XL NSv (Non-contact Shaft vibration)
- Transducer Type: Eddy-current proximity probe
- Nominal Gap: 5 mm (0.197 in)
- Linear Range: 0.25 – 2.25 mm (10 – 90 mil)
- Scale Factor: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC – 10,000 Hz (±3 dB)
- Supply Voltage: −24 VDC (−20 to −26 VDC)
- Output Range: −2 to −18 VDC
- Cable Length (Extension): 5 m (standard); configurable per order code
- Probe Thread: M8 × 1.0
- Connector: 5-pin MIL-C-5015 (Proximitor® end)
- Operating Temperature: −35 °C to +177 °C (probe); −35 °C to +85 °C (Proximitor®)
- Ingress Protection: IP67 (probe assembly)
- Compliance: API 670 5th Edition, CE, RoHS
- Weight: ~80 g (probe + cable assembly)
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbines (power generation, petrochemical)
- Centrifugal and reciprocating compressors
- Boiler feed pumps and large motor-driven equipment
- Gearboxes and expanders in refinery service
- LNG liquefaction trains and offshore platform machinery
- Any API 670-compliant machinery protection system
Engineering Advantages
- API 670 Certified: Drop-in replacement for existing 3300 XL installations — no recalibration of the monitor required.
- Broadband DC Response: Captures both static position (thrust, eccentricity) and dynamic vibration in a single channel.
- High-Temperature Probe: Rated to 177 °C, suitable for hot-section turbine bearing housings without external cooling.
- Coaxial 50 Ω Cable: Minimises signal attenuation and EMI susceptibility over long cable runs in electrically noisy plant environments.
- System 1® Ready: Native integration with Bently Nevada System 1® software for trend analysis, alarm management, and predictive maintenance workflows.
System Architecture & Signal Flow
The 330910-00-04-50-02-00 operates as a three-component eddy-current system:
- Probe (330910 series): Generates a high-frequency electromagnetic field (1.0 MHz nominal). Shaft proximity modulates field impedance.
- Extension Cable (50 Ω coaxial): Transmits the modulated RF signal from the probe tip to the Proximitor® sensor with minimal loss.
- Proximitor® Sensor: Demodulates the RF signal and outputs a calibrated DC voltage proportional to gap distance. Output feeds directly to the 3300 series monitor input card.
The monitor card converts the voltage signal to engineering units (µm or mil peak-to-peak), applies alarm setpoints, and forwards data to System 1® via the plant DCS or dedicated monitoring network.
Sourcing & Quality Verification
- Source: Konmask.com sources 3300 XL NSv assemblies from authorised distributors and verified surplus channels with full traceability documentation.
- Inspection: Each unit undergoes incoming visual inspection, connector integrity check, and coaxial cable continuity/impedance verification before dispatch.
- Documentation: Certificate of conformance, original OEM labelling, and calibration records (where available) supplied with shipment.
- Warranty: 12-month operational warranty against manufacturing defects.
Procurement Process
- Submit your RFQ via the product page or email support@konmask.com.
- Receive a formal quotation with lead time, stock status, and shipping options within 24 business hours.
- Confirm purchase order — payment via T/T, PayPal, or credit card accepted.
- Unit ships with full documentation; tracking number provided same day.
- Post-delivery technical support available via email or WhatsApp.
Technical FAQ
Q: Is 330910-00-04-50-02-00 compatible with the 3300/16 monitor?
A: Yes. All 3300 XL NSv transducer systems are compatible with the full 3300 series monitor family, including the 3300/16, 3300/20, and 3300/55 cards.
Q: Can this probe be used with a non-Bently Nevada monitor?
A: The Proximitor® output is a standard −2 to −18 VDC signal. It can interface with third-party monitors that accept this range, but scale factor and alarm calibration must be verified independently.
Q: What is the maximum shaft material for accurate measurement?
A: Optimal performance is achieved on AISI 4140 steel shafts. For non-standard alloys (Inconel, titanium, stainless), a material correction factor must be applied per Bently Nevada application note.
Q: Do you supply the complete kit (probe + cable + Proximitor®)?
A: Yes. Part number 330910-00-04-50-02-00 is a complete, matched system. All three components are supplied and tested as an assembly.
Q: What is the lead time for in-stock units?
A: In-stock units ship within 1–2 business days. For out-of-stock items, typical lead time is 2–4 weeks. Contact us for current availability.
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