The Bently Nevada 330704-000-050-10-01-05 is a 3300 XL 11mm proximity probe designed for extended range displacement monitoring. Ideal for steam turbine and compressor protection, it offers a 3.94 V/mm sensitivity and non-contact accuracy for critical machinery assets.
The Bently Nevada 330704-000-050-10-01-05 is a high-precision 11mm proximity probe engineered for extended linear range measurements in critical machinery. This transducer provides a calibrated output of 3.94 V/mm (100 mV/mil), making it an essential component for monitoring axial position and differential expansion.
The 330704-000-050-10-01-05 belongs to the Bently Nevada 3300 XL 11mm Proximity Transducer System, specifically developed for industrial scenarios where standard 8mm probes lack the necessary measurement depth. By utilizing a larger 11mm tip, this sensor extends the linear range capability, allowing for more significant movement tracking of machine components. The system operates on the eddy current principle to measure the distance between the probe tip and a conductive target without physical contact.
This transducer excels in monitoring large-scale rotating equipment. Specifically, engineers deploy the 330704-000-050-10-01-05 for steam turbine thermal expansion measurements and reciprocating compressor rod position monitoring. Furthermore, its robust design facilitates reliable speed sensing and axial displacement tracking in environments where high accuracy is paramount for machinery protection and Turbo Machinery Instrumentation (TSI) systems.
Transitioning to this advanced sensor from legacy 7200-series hardware requires a total system replacement, including the probe, extension cable, and Proximitor sensor. To ensure seamless integration with the Bently Nevada 3500 Monitoring System, users must update the rack configuration software to recognize the specific 11mm calibration curve. This compatibility ensures that the output signal remains linear and accurate throughout the probe’s intended operating range.
| Feature | Specification |
| Manufacturer | Bently Nevada |
| Model Number | 330704-000-050-10-01-05 |
| Probe Diameter | 11 mm |
| System Series | 3300 XL |
| Scale Factor | 3.94 V/mm (100 mV/mil) |
| Weight | 0.14 kg |
| Dimensions | 1.8 x 1.5 x 110 cm |
| Application | TSI / Machinery Protection |
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