Bently Nevada 330901-00-12-70-01-05 – High-Precision Proximity Transducer | 3300 XL NSv Platform
Engineering Background: The Bently Nevada 3300 XL NSv series represents the industry benchmark for non-contacting eddy current proximity measurement in rotating machinery protection systems. Engineered to API 670 standards, this transducer system delivers continuous, real-time shaft vibration, position, and speed data critical to turbomachinery integrity management.
Product Positioning: The 330901-00-12-70-01-05 is a complete proximity transducer assembly optimized for integration into Bently Nevada 3300 XL monitoring racks. It is the preferred choice for OEM replacement and system expansion in power generation, oil & gas, and petrochemical facilities where measurement accuracy and system uptime are non-negotiable.
Complete Technical Specifications
- Part Number: 330901-00-12-70-01-05
- Series / Platform: Bently Nevada 3300 XL NSv
- Transducer Type: Eddy Current Proximity Transducer
- Probe Length: 12 mm (standard)
- Cable Length: 5 m (extension cable included)
- Measurement Range: 0–2 mm (linear range)
- Sensitivity: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC to 10,000 Hz
- Operating Temperature: −35°C to +177°C (probe); −35°C to +85°C (driver)
- Supply Voltage: −24 VDC (nominal)
- Output Signal: −2 VDC to −18 VDC (proportional to gap)
- Target Material: AISI 4140 steel or equivalent
- Connector Type: Integral coaxial, armored cable
- Compliance: API 670, CE, RoHS
- Country of Origin: United States
- Weight: Approx. 60 g
Proven Application Environments
- Steam and gas turbine shaft radial vibration monitoring
- Centrifugal compressor rotor position measurement
- Pump and motor axial thrust position detection
- Gearbox and expander speed sensing
- Critical rotating equipment in refineries, LNG plants, and power stations
- Retrofit and upgrade of legacy Bently Nevada 3300 monitoring systems
Engineering Advantages
- NSv Technology: Non-contacting measurement eliminates mechanical wear, ensuring indefinite service life under continuous operation
- API 670 Compliance: Meets the most stringent international standard for machinery protection instrumentation
- Wide Temperature Range: Qualified for high-temperature turbine environments up to +177°C at the probe tip
- Plug-and-Play Compatibility: Direct replacement for existing 3300 XL NSv installations — no recalibration of the monitoring rack required
- Armored Cable Construction: Stainless steel armor protects signal integrity in harsh industrial environments
- High Frequency Response: DC to 10 kHz bandwidth captures all relevant vibration signatures including sub-synchronous instabilities
System Architecture & Signal Flow
The 330901-00-12-70-01-05 operates as part of a three-component eddy current measurement chain:
- Proximity Probe (330901 series): Generates an oscillating electromagnetic field; gap change modulates the field impedance
- Extension Cable: Transmits the high-frequency carrier signal from probe to driver with minimal loss
- Proximitor® Driver / Signal Conditioner: Demodulates the carrier, outputs a DC voltage proportional to probe-to-target gap, feeds the 3300 XL monitor rack
The complete system interfaces directly with Bently Nevada 3300 XL series monitor modules for alarm, trip, and data acquisition functions.
Sourcing & Quality Verification
- All units sourced from authorized distribution channels or verified OEM surplus inventory
- Each unit inspected for physical integrity, connector condition, and cable continuity prior to shipment
- Original manufacturer labeling and part number markings preserved and verified
- Traceability documentation available upon request for critical-service applications
- Packaging: anti-static, moisture-barrier bag with rigid outer carton
Procurement Process
- Confirm part number 330901-00-12-70-01-05 matches your system BOM and Proximitor® driver model
- Submit inquiry or place order directly via Konmask.com product page
- Receive order confirmation and lead-time estimate within 1 business day
- Shipment with tracking; export documentation (CO, packing list, commercial invoice) provided for international orders
- Post-delivery technical support available via email or phone
Technical FAQ
Q: Is this a complete transducer system or probe only?
A: The 330901-00-12-70-01-05 is a complete proximity transducer assembly including probe, extension cable, and connector hardware. A compatible Proximitor® driver (e.g., 3300 XL 8mm) is required separately.
Q: Can this replace a 330900 series probe?
A: The 330901 NSv series is the direct successor to the 330900 series. Mechanical dimensions and connector interfaces are compatible; verify driver firmware version supports NSv transducers before installation.
Q: What target material is required?
A: AISI 4140 steel is the standard calibration target. Other ferromagnetic materials require a sensitivity correction factor per Bently Nevada calibration procedures.
Q: Do you provide calibration certificates?
A: Factory calibration data is embedded in the part number suffix. Third-party calibration certificates can be arranged upon request for an additional fee.
Q: What is the lead time?
A: In-stock units ship within 2–3 business days. Out-of-stock units typically have a 2–4 week lead time. Contact us for real-time availability.
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