The Bently Nevada 330105-02-12-15-02-CN is a high-performance Proximitor Sensor designed to convert signals from a proximity probe into a usable voltage output. This device serves as the electronic heart of the 3300 XL 8 mm Transducer System. It facilitates non-contacting measurements of shaft vibration and position by processing radio frequency (RF) signals. The sensor delivers a linear voltage signal directly proportional to the distance between the probe tip and the observed target surface. This precision allows maintenance teams to track minute changes in mechanical alignment and rotor stability.
Technical Configuration
This specific Proximitor model features a 3300 XL series design with specialized mounting and length parameters. The “-CN” suffix indicates compliance with Chinese regional standards or specific hazardous area certifications. Key specifications include:
- Manufacturer: Bently Nevada (Baker Hughes)
- Part Number: 330105-02-12-15-02-CN
- System Type: 3300 XL 8 mm Proximitor Sensor
- Mounting Option: 35 mm DIN rail mount
- Total Length Compatibility: 1.0 meter (3.3 feet) system cable length
- Agency Approval: CN (China Specific Approvals)
- Linear Range: 2.0 mm (80 mils) starting at approximately 0.25 mm (10 mils) from the probe tip
- Output Sensitivity: 7.87 V/mm (200 mV/mil)
Industrial Applications and Integration
Engineers deploy the 330105-02-12-15-02-CN in critical asset protection systems where equipment failure is not an option. Because it integrates seamlessly with the 3500 Monitoring System and other TSI (Turbine Supervisory Instrumentation) platforms, it is a standard choice for:
- Centrifugal Compressors: Monitoring radial vibration and axial thrust.
- Steam and Gas Turbines: Measuring rotor expansion and shaft centerline position.
- Hydroelectric Units: Detecting shaft runout and bearing clearances.
- Industrial Pumps: Ensuring early detection of imbalance or seal degradation.
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