Bently Nevada 330910-00-10-10-01-00 – Non-Contact Shaft Vibration Transducer | 3300 XL NSv Series
Engineering Background: The Bently Nevada 3300 XL NSv (Non-Standard Voltage) Proximity Transducer System is engineered for continuous, non-contact measurement of shaft radial vibration, axial position, and differential expansion in critical rotating machinery. Developed under Baker Hughes’ Bently Nevada product line, this system is the field-proven successor to the legacy 3300 XL series, offering enhanced noise immunity and extended cable drive capability for demanding industrial environments.
Product Positioning: Part number 330910-00-10-10-01-00 is a complete proximity transducer assembly configured for 5 mm probe tip diameter, 1 m armored extension cable, and standard 9 m driver cable — optimized for integration with Bently Nevada 3300 series monitoring racks and compatible third-party vibration monitoring systems. This unit is the preferred choice for procurement engineers specifying OEM-equivalent replacement or new-build turbomachinery protection systems.
Complete Technical Specifications
- Part Number: 330910-00-10-10-01-00
- Series / Platform: Bently Nevada 3300 XL NSv (Non-Standard Voltage)
- Probe Tip Diameter: 5 mm
- Probe Body Length: 10 mm (short body)
- Extension Cable Length: 1.0 m (armored, integral)
- Driver Cable Length: 9.0 m (standard)
- Output Voltage (Scale Factor): −20 mV/mil (−0.787 V/mm)
- Measurement Range: 0 – 90 mil (0 – 2.286 mm)
- Linear Range: 10 – 90 mil (0.254 – 2.286 mm)
- Frequency Response: DC – 10,000 Hz (±3 dB)
- Operating Temperature: −35 °C to +177 °C (probe); −35 °C to +85 °C (driver)
- Supply Voltage: −24 VDC (nominal)
- Supply Current: 12 mA (typical)
- Output Impedance: ≤ 100 Ω
- Target Material: AISI 4140 steel (standard); other ferrous/non-ferrous targets require recalibration
- Connector Type: Integral coaxial, MIL-C-17 compatible
- Ingress Protection: IP67 (probe assembly)
- Approvals / Certifications: CE, ATEX Zone 1 (Ex ia IIC T4), FM Intrinsically Safe
- Weight: Approx. 220 g (complete assembly)
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbines (power generation, petrochemical)
- Centrifugal and axial compressors (upstream oil & gas, LNG)
- Large electric motors and generators (>500 kW)
- Pumps and fans in critical service (API 670 compliant installations)
- Gearboxes and expanders in refinery and chemical plant service
- Marine propulsion shafting and naval turbomachinery
Engineering Advantages
- Non-contact measurement: Zero mechanical wear; suitable for continuous 24/7 operation without scheduled replacement intervals.
- NSv output compatibility: Direct drop-in replacement for legacy 3300 XL probes in existing Bently Nevada rack installations without reconfiguration.
- Extended frequency response (DC–10 kHz): Captures sub-synchronous instabilities, oil whirl, and high-frequency blade-pass events in a single channel.
- Armored extension cable: Stainless steel braid provides mechanical protection in high-vibration, high-temperature machine casings.
- ATEX / FM dual certification: Approved for use in Zone 1 hazardous areas without additional barriers in intrinsically safe configurations.
- API 670 compliant: Meets the 5th Edition standard for machinery protection systems — accepted by major EPC contractors and end-user specifications globally.
System Architecture & Signal Flow
The 330910-00-10-10-01-00 operates as a three-component eddy-current system:
- Probe (330910 series): Generates a high-frequency (1.0 MHz nominal) electromagnetic field at the probe tip. Eddy currents induced in the target shaft attenuate the field proportionally to gap distance.
- Extension Cable: Transmits the oscillator signal between probe and driver with controlled impedance; armored construction isolates from EMI and mechanical stress.
- Driver / Oscillator-Demodulator: Converts the attenuated RF signal to a DC voltage output (−20 mV/mil scale factor). Output is directly compatible with Bently Nevada 3300/3500 series monitor input cards and standard 4–20 mA transmitter interfaces via external signal conditioners.
The system is calibrated as a matched set — probe, extension cable, and driver must be used together to maintain published accuracy specifications. Field substitution of individual components requires factory recalibration.
Sourcing & Quality Verification
- Source: Konmask.com sources 330910-00-10-10-01-00 units from authorized distributors and verified surplus channels with full traceability documentation.
- Inspection: Each unit undergoes incoming inspection including visual examination, connector integrity check, and functional output verification against published scale factor tolerance (±1%).
- Documentation: Certificate of Conformance (CoC) and test report available upon request. Original Bently Nevada calibration data sheets provided where available.
- Packaging: Ships in original or equivalent ESD-safe packaging with desiccant; probe tip protected by factory cap.
- Warranty: 12-month warranty against manufacturing defects from date of shipment.
Procurement Process
- Confirm compatibility: Verify your existing driver cable length, rack card type (3300 or 3500 series), and target material before ordering. Contact our engineering team if uncertain.
- Request a quote: Submit your PO or RFQ to support@konmask.com with quantity, required delivery date, and any documentation requirements (CoC, MSDS, customs HS code).
- Lead time: In-stock units ship within 2 business days. Ex-stock lead time for bulk orders: 5–10 business days.
- Export compliance: HS Code 9031.80 applies. Export licensing requirements vary by destination — contact us for EAR/ECCN classification confirmation.
- Payment: T/T (wire transfer), PayPal, and major credit cards accepted. Net-30 terms available for approved accounts.
Technical FAQ
Q: Can I use the 330910-00-10-10-01-00 probe with a 3500 series monitor rack?
A: Yes. The 3300 XL NSv output (−20 mV/mil) is compatible with Bently Nevada 3500/40M and 3500/42M proximity monitor cards when configured for NSv input. Verify rack card firmware revision supports NSv input mode.
Q: What is the maximum cable run from driver to monitor rack?
A: The standard 9 m driver cable is the maximum recommended length for the matched system. Extended cable runs require a Bently Nevada signal conditioning module (e.g., 3300/20) to maintain signal integrity.
Q: Is recalibration required after replacement?
A: The probe, extension cable, and driver are factory-calibrated as a matched set. Replacing any single component requires returning the complete assembly for recalibration to maintain ±1% accuracy. Konmask.com supplies matched, pre-calibrated sets only.
Q: What target materials are supported?
A: The standard calibration is for AISI 4140 steel. Non-standard target materials (stainless steel, titanium, aluminum) require a material-specific calibration factor — consult Bently Nevada Application Note AN-0001 or contact our engineering team.
Q: Is this unit ATEX certified for Zone 0 applications?
A: No. The 330910-00-10-10-01-00 is certified for Zone 1 (Ex ia IIC T4) in intrinsically safe configurations. Zone 0 applications require additional engineering review and are not supported by this part number.
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