Bently Nevada 330104-15-25-10-02-00 – 8mm Eddy-Current Proximity Sensor | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for non-contacting eddy-current measurement systems used in rotating machinery protection and condition monitoring. Developed by Baker Hughes (Bently Nevada), this platform is deployed globally in turbines, compressors, pumps, and generators where continuous shaft vibration and position data are mission-critical.
Product Positioning
The 330104-15-25-10-02-00 is an 8mm diameter proximity transducer engineered for high-resolution radial vibration, axial position, and differential expansion measurement. It integrates seamlessly with Bently Nevada 3300 XL extension cables and proximitor/oscillator signal conditioners, forming a complete measurement chain compliant with API 670 machinery protection standards.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 330104-15-25-10-02-00 |
| Series / Platform | Bently Nevada 3300 XL |
| Transducer Diameter | 8 mm |
| Measurement Type | Radial Vibration, Axial Position, Differential Expansion |
| Operating Principle | Eddy-Current (Non-Contacting) |
| Linear Range | 0.25 mm – 2.25 mm (10 mil – 90 mil) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC – 10,000 Hz (±3 dB) |
| Supply Voltage | -24 VDC (nominal) |
| Output Voltage Range | -2 VDC to -18 VDC |
| Temperature Range (Operating) | -35°C to +177°C (-31°F to +350°F) |
| Probe Cable Length | 15 cm (integral) |
| Extension Cable Compatibility | 3300 XL 8mm Extension Cable (e.g., 330130-080-00-00) |
| Proximitor Compatibility | 3300 XL 8mm Proximitor (e.g., 330180-X1-05) |
| Connector Type | MIL-C-5015 (integral) |
| Housing Material | 316 Stainless Steel |
| IP Rating | IP67 |
| Weight | 320 g (approx.) |
| Compliance | API 670, CE, RoHS |
Proven Application Environments
- Steam & Gas Turbines – Shaft radial vibration monitoring per API 670 Trip/Alarm logic
- Centrifugal Compressors – Rotor axial position and differential expansion measurement
- Pumps & Motors – Continuous bearing journal orbit analysis
- Gearboxes – High-frequency gear mesh vibration detection (up to 10 kHz)
- Hydro Turbines – Thrust bearing position monitoring in wet environments (IP67)
- Petrochemical & Refinery Plants – SIL-rated machinery protection loops
Engineering Advantages
- Non-Contacting Measurement – Zero mechanical wear; suitable for continuous 24/7 operation
- Wide Temperature Tolerance – Rated to +177°C for high-temperature turbine environments
- High Frequency Response – DC to 10 kHz bandwidth captures sub-synchronous and high-order harmonics
- 316 SS Housing – Corrosion-resistant for oil mist, steam, and chemical exposure
- API 670 Compliant – Drop-in replacement for existing 3300 XL measurement chains
- Plug-and-Play Integration – Compatible with Bently Nevada 3500 rack system and System 1 software
System Architecture & Signal Flow
The 330104-15-25-10-02-00 operates as the sensing element in a three-component measurement chain:
- Probe (330104-15-25-10-02-00) → Generates eddy-current field; outputs raw voltage proportional to gap distance
- Extension Cable (330130 series) → Transmits signal from probe tip to proximitor; maintains coaxial impedance
- Proximitor/Oscillator (330180 series) → Conditions signal to -24 VDC supply; outputs calibrated DC voltage to monitoring rack (e.g., Bently Nevada 3500/40M)
The complete chain interfaces directly with Bently Nevada 3500 Series rack monitors, enabling real-time vibration, position, and speed data acquisition within System 1 Evolution software.
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified OEM surplus channels
- Each unit undergoes incoming inspection: visual, dimensional, and functional verification
- Calibration certificate and original packaging available upon request
- Traceability documentation (lot number, date code) provided for critical installations
- 30-day functional warranty on all verified units
Procurement Process
- Confirm Compatibility – Verify your extension cable length and proximitor model match the 3300 XL 8mm chain
- Request Quote – Contact support@konmask.com for volume pricing or expedited lead time
- Place Order – Secure checkout via Konmask.com; HKD / USD / CNY accepted
- Shipping – DHL / FedEx express worldwide; export documentation included
- Technical Support – Post-sale installation guidance available via email or WhatsApp
Technical FAQ
Q: Is the 330104-15-25-10-02-00 compatible with the Bently Nevada 3500 rack?
A: Yes. When paired with a 3300 XL 8mm proximitor (330180 series), the output signal is fully compatible with 3500/40M and 3500/42M monitor modules.
Q: What is the difference between 330104-15-25-10-02-00 and 330104-15-25-10-01-00?
A: The last two digits denote the connector/cable configuration. The -02-00 variant uses a standard MIL-C-5015 connector. Verify your existing cable termination before ordering.
Q: Can this sensor measure axial position and radial vibration simultaneously?
A: No. Each probe measures gap distance along a single axis. Dual-plane measurement requires two probes mounted 90° apart (X-Y configuration).
Q: What target material is required?
A: The probe is calibrated for AISI 4140 steel. For other shaft materials (stainless steel, titanium), a material correction factor must be applied. Contact us for recalibration services.
Q: Do you provide ATEX/IECEx certified units?
A: Select inventory includes ATEX-certified variants. Please specify your hazardous area classification when requesting a quote.
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