High-Stability Proximity Measurement for Critical Turbomachinery Applications
The Bently Nevada 330876-02-50-00-00 3300 XL 50 mm Eddy-Current Probe is a precision-engineered non-contact sensor designed for continuous monitoring of shaft displacement, vibration, and differential expansion in large rotating machinery. As part of the 3300 XL 50 mm transducer system, it delivers reliable performance in turbine supervisory instrumentation where long linear range and measurement stability are essential.
This model is widely used in steam turbines, hydro turbines, compressors, and generators operating under harsh thermal and mechanical stress. Its robust construction and stable signal behavior make it a trusted component in predictive maintenance and machinery protection systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | 3300 XL 50 mm Eddy-Current Proximity Probe |
| Model Number | 330876-02-50-00-00 |
| System Series | 3300 XL 50 mm Transducer System |
| Measurement Technology | Eddy-current non-contact sensing |
| Probe Diameter | 50 mm |
| Primary Measurements | Shaft vibration, displacement, differential expansion |
| Case Style | Threaded industrial mounting (straight exit design) |
| Cable Length | 5.0 m (typical interpretation of “50” code) |
| Cable Type | High-temperature FluidLoc® triaxial cable |
| Shielding | EMI-resistant industrial shielding |
| Output Compatibility | 3300 XL Proximitor® systems |
| Operating Temperature | -35°C to +200°C (continuous) |
| Short-Term Temperature | Up to +250°C |
| Approximate Dimensions | ~160 × 160 × 60 mm |
| Approximate Weight | ~0.4–1.0 kg (configuration dependent) |
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