Description
Product Overview
330171-00-12-90-01-05 is a 3300 XL series eddy current proximity probe manufactured by Bently Nevada (Baker Hughes). It is used for non-contact measurement of shaft vibration, radial displacement and thrust position on rotating machinery. This probe works with matched extension cable and 3300 XL Proximitor sensor to deliver precise real-time rotor dynamic monitoring for turbines, compressors, pumps and generators.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 330171-00-12-90-01-05 |
| Manufacturer | Bently Nevada |
| Series | 3300 XL Proximity Probe |
| Sensing Diameter | 12 mm |
| System Total Length | 9.0 m |
| Thread Mount | M12 × 1 |
| Tip Material | Ceramic |
| Cable Type | 75 Ω triaxial cable |
| Measuring Range | 0 to 2 mm standard linear range |
| Sensitivity | 7.87 V/mm (200 mV/mil) |
| Operating Temperature Range | -51°C ~ +177°C |
| Pressure Rating | Up to 1000 psi (probe tip) |
| Connector Type | 4-pin triaxial |
| Housing Material | Stainless steel |
| Agency Certifications | CE, ATEX optional |
| Application | Shaft vibration, thrust position monitoring |
Key Features
- High-stability eddy current non-contact sensing for rotating machinery protection
- 75-ohm triaxial cable design to minimize EMI interference in noisy industrial environments
- Wide operating temperature range suitable for high-temperature turbine and compressor casings
- Excellent linearity and repeatability, calibrated for consistent gap voltage output
- Rugged stainless steel probe body and ceramic tip for harsh process environments
- Compatible with full 3300 XL Proximitor sensor family
- Model coding supports custom cable length, thread type and connector configurations
Application Scenarios
- Steam / gas turbine vibration and thrust monitoring
- Centrifugal compressors and expanders
- Large generator sets
- High-speed pumps and blowers
- Critical rotating machinery protection & condition monitoring systems
Installation & Maintenance Notes
- Keep the probe tip perpendicular to the measured shaft surface; maintain proper installation gap within linear range
- Use matching Bently Nevada extension cable and Proximitor sensor; mixing different series will degrade measurement accuracy
- Avoid sharp bending of triaxial cable; minimum cable bend radius must be respected
- Shield grounding should follow Bently single-point grounding specification to reduce noise
- Perform gap voltage check after installation before putting machine online
- Regular visual inspection of cable insulation and connector integrity during shutdown maintenance
- Calibration is recommended periodically or after physical impact / cable damage
FAQ
Q: What does the model code 330171-00-12-90-01-05 represent? A: 330171 = probe base part; 12 = 12mm probe diameter; 90 = total system length 9 meters; 01 = thread configuration; 05 = connector option.
Q: Can this probe work with older 3300 series Proximitor? A: It must pair with 3300 XL Proximitor sensors; not compatible with legacy non-XL 3300 proximitors.
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