Precision Monitoring for Large Turbomachinery in Demanding Environments
The Bently Nevada 330876-03-50-01-00 3300 XL 50 mm Eddy-Current Probe is a high-reliability non-contact sensor designed for advanced monitoring of shaft displacement, vibration, and differential expansion in large rotating machinery. As part of the 3300 XL 50 mm transducer system, it is engineered for turbine supervisory instrumentation where long-range measurement accuracy and thermal stability are essential.
This configuration is commonly used in steam turbines, hydro turbines, compressors, and generators operating under continuous load and harsh environmental conditions. Its robust construction and stable signal performance make it a trusted component in predictive maintenance systems across global power generation and heavy industry.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | 3300 XL 50 mm Eddy-Current Probe |
| Model Number | 330876-03-50-01-00 |
| Series | 3300 XL 50 mm Transducer System |
| Measurement Technology | Eddy-current non-contact sensing |
| Probe Diameter | 50 mm |
| Primary Measurements | Shaft displacement, vibration, differential expansion |
| Case Style | Side-exit industrial housing |
| Cable Length | 5.0 m (16.4 ft) |
| Cable Type | FluidLoc® high-temperature triaxial cable |
| Armor Option | Armored configuration |
| Agency Approval | Standard industrial (no special approvals) |
| Operating Temperature | -35°C to +200°C continuous |
| Short-Term Temperature | Up to +250°C |
| Output Compatibility | 3300 XL Proximitor® systems |
| Approximate Dimensions | ~160 × 150 × 60 mm |
| Approximate Weight | ~0.4–0.9 kg |
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