The Bently Nevada 330902-00-60-10-02-05 is a high-precision NSv (Narrow Side-view) Proximity Probe belonging to the 3300 Proximity Transducer System. This sensor is specifically engineered for industrial machinery where spatial limitations prevent the use of standard-sized probes. It is primarily utilized for measuring radial vibration, axial thrust position, and speed (Keyphasor) on small-diameter shafts or within confined bearing housings.
By utilizing eddy current technology, the probe provides non-contacting displacement measurements. The NSv series is optimized for targets smaller than those required by standard 5mm or 8mm probes, making it the industry standard for small centrifugal compressors, pumps, and motors with fluid-film bearings.
Core Technical Specifications
- Model Identification: 330902-00-60-10-02-05
- Transducer Type: 3300 NSv (Narrow Side-view)
- Linear Range: 1.5 mm (60 mils)
- Scale Factor: 7.87 V/mm (200 mV/mil) nominal
- Minimum Target Diameter: 51 mm (2.0 inches)
- Operating Temperature: -35°C to +177°C (-31°F to +351°F)
- Mounting Configuration: 3/8-24 UNF thread with various casing options
- System Compatibility: Pairs with 3300 XL NSv Proximitor Sensor and extension cables
Application and Installation
This proximity probe is designed for centrifugal compressors, power turbines, and refrigeration units. The “Narrow Side-view” characteristic allows the probe to be installed in tight counterbores without the side-wall interference that typically affects the linearity of standard sensors.
The 330902-00-60-10-02-05 model is frequently implemented in Retrofit applications to replace legacy 3000 series transducers, providing improved temperature stability and moisture resistance. It complies with API 670 standards for machinery protection, ensuring reliability in critical process gas environments.
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