Bently Nevada 330881-16-00-205-00-02 Proximity Transducer Metric | 3300 XY Series Vibration Monitoring System
Engineering Background
The Bently Nevada 3300 Series represents the global benchmark in continuous shaft vibration monitoring for rotating machinery. Deployed across power generation, petrochemical, and heavy industrial sectors, this platform delivers API 670-compliant measurement with sub-micron resolution. The 330881-16-00-205-00-02 is a metric-configuration proximity transducer engineered for XY radial vibration measurement in high-temperature, high-speed turbomachinery environments.
Product Positioning
Designed for procurement engineers sourcing OEM-equivalent replacement parts for Bently Nevada 3300 Series monitoring systems. This transducer integrates directly with 3300/16 and 3300/20 monitor cards without recalibration, ensuring zero-downtime replacement in critical asset protection applications.
Complete Technical Specifications
- Part Number: 330881-16-00-205-00-02
- Series / Platform: Bently Nevada 3300 XY Series
- Transducer Type: Eddy-Current Proximity Transducer
- Thread / Metric Config: Metric (M8 × 1.0 standard thread)
- Cable Length: 5.0 m (16 ft) — encoded in part suffix -16-00
- Extension Cable: 5.0 m — suffix -205-00
- Connector Type: -02 (standard BNC-compatible)
- Measurement Range: 0.25 mm – 2.25 mm (linear range)
- Sensitivity: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC to 10,000 Hz (–3 dB)
- Operating Temperature: –35°C to +177°C (transducer tip)
- Supply Voltage: –24 VDC (nominal), –20 to –26 VDC (range)
- Output Voltage: –1 VDC to –21 VDC
- Target Material: AISI 4140 steel (standard); other alloys require scale factor correction
- Ingress Protection: IP67 (transducer body)
- Approvals: CE, ATEX Zone 1 (Ex ia IIC T4), FM Intrinsically Safe
- Weight: 1,350 g (complete assembly with cables)
- Compatible Monitors: 3300/16, 3300/20, 3500/42, 3500/42M
Proven Application Environments
- Steam & Gas Turbines: Radial shaft vibration monitoring on HP/LP turbine stages; direct replacement for OEM-installed 3300 XY transducer pairs
- Centrifugal Compressors: API 670 compliant XY measurement on compressor trains in LNG, refinery, and gas processing plants
- Large Electric Motors: Continuous vibration surveillance on motors >1 MW in power generation and pumping stations
- Pumps & Fans: Shaft orbit analysis and imbalance detection in critical rotating equipment
- Marine Propulsion: Vibration monitoring on ship propulsion shafts and auxiliary turbines
Engineering Advantages
- Direct OEM Compatibility: Plug-and-play replacement for existing 3300 Series installations — no recalibration or scale factor adjustment required on standard steel targets
- Extended Temperature Range: Tip rated to +177°C enables deployment in high-temperature bearing housings without auxiliary cooling
- Metric Thread Standard: M8 × 1.0 thread simplifies installation in metric-standard machinery common in European and Asian industrial facilities
- Intrinsic Safety Certification: ATEX Zone 1 and FM IS ratings permit installation in hazardous area classified zones without additional barriers in most configurations
- Integrated Cable Assembly: Factory-terminated 5 m + 5 m cable assembly eliminates field splicing, reducing installation error and improving signal integrity
- Broad Monitor Compatibility: Compatible with 3300 and 3500 Series monitor platforms, protecting investment across system upgrades
System Architecture & Signal Flow
The 330881-16-00-205-00-02 operates as part of a three-component eddy-current measurement chain:
- Transducer (330881): Generates high-frequency electromagnetic field; detects shaft proximity via eddy-current effect. Tip-to-shaft gap produces proportional DC voltage output.
- Extension Cable (330130 / included -205-00 suffix): Low-loss coaxial cable transmits signal from transducer to proximitor/oscillator with minimal attenuation.
- Proximitor / Oscillator (330180 / 3300 XL): Conditions raw transducer signal, provides –24 VDC excitation, and outputs calibrated –VDC signal to monitor card.
- Monitor Card (3300/16 or 3500/42): Processes conditioned signal for vibration amplitude, phase, and gap (DC) measurements; triggers alarms and trips per API 670 setpoints.
Signal path: Shaft → Transducer tip → Extension cable → Proximitor → Monitor card → DCS/Safety system
Sourcing & Quality Verification
- Origin: OEM-equivalent; sourced from authorized distribution channels and verified surplus inventory
- Inspection Standard: Each unit inspected for physical integrity, connector condition, and cable continuity prior to shipment
- Documentation: Certificate of conformance available upon request; traceability records maintained
- Packaging: Anti-static, moisture-barrier packaging with individual part number labeling
- Shelf Life: Unlimited when stored per manufacturer guidelines (15°C–35°C, <70% RH, non-condensing)
Procurement Process
- Step 1 — Inquiry: Submit RFQ via Konmask.com product page or email support@konmask.com with quantity and required delivery date
- Step 2 — Quotation: Receive formal quotation with unit price, lead time, and shipping options within 24 business hours
- Step 3 — Order Confirmation: Purchase order accepted via email or online checkout; proforma invoice issued for wire transfer or credit card payment
- Step 4 — Shipment: Orders dispatched via DHL Express, FedEx International Priority, or UPS Worldwide; tracking provided within 24 hours of dispatch
- Step 5 — After-Sales: 12-month warranty on verified OEM units; technical support available via email and phone
Technical FAQ
Q: Is the 330881-16-00-205-00-02 compatible with the Bently Nevada 3500 Series monitors?
A: Yes. This transducer is compatible with 3500/42 and 3500/42M monitor cards when used with the appropriate proximitor (330180 or 3300 XL series). Verify scale factor settings in the monitor configuration match the transducer sensitivity of 7.87 V/mm.
Q: What is the difference between the -00-02 and -00-CN connector suffix?
A: The -02 suffix denotes a standard international connector configuration. The -CN suffix is a China-market variant with localized connector termination. Both are electrically identical; connector type affects only physical mating at the proximitor end.
Q: Can this transducer be used on non-steel target materials?
A: The standard calibration is optimized for AISI 4140 steel. For stainless steel, titanium, or other alloys, a material-specific scale factor correction must be applied at the monitor card. Contact Konmask technical support for correction factor tables.
Q: What is the minimum order quantity?
A: MOQ is 1 unit. Volume pricing is available for orders of 5 units or more. Contact support@konmask.com for volume quotation.
Q: How do I verify authenticity of the unit received?
A: Each unit ships with a Konmask inspection certificate. Verify the part number label, date code, and connector markings against Bently Nevada published specifications. Request a copy of our sourcing documentation if required for your quality management system.
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