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The Bently Nevada 330780-50-00 3300XL 11mm Proximity Sensor is a high-precision eddy-current transducer designed for critical machinery monitoring. As part of the 3300XL series, it provides reliable measurement of vibration, position, and speed in turbines, compressors, and rotating equipment. Its 11mm probe design offers enhanced sensitivity and linearity, with robust construction for harsh industrial environments. The system integrates seamlessly with Bently Nevada monitoring equipment for predictive maintenance applications.
Product Specifications
Core Specifications:
Model: 330780-50-00 (3307805000)
Series: 3300XL
Probe Diameter: 11mm
Measurement Principle: Eddy-current displacement sensing
Complete System Components: Probe, extension cable, and driver
Measurement Performance:
Standard Range: 0 to 2.0mm (80 mils)
Sensitivity: 7.87 mV/µm (200 mV/mil) ±5%
Linearity: ±1% of full scale over specified range
Resolution: 0.1 µm (microns)
Frequency Response: 0 to 15 kHz (-3dB)
Electrical Characteristics:
Output Signal: -2V to -18V DC (scalable via conditioner)
Power Supply: -24V DC ±10%
Current Draw: 4mA typical
Cable Length: Standard 5m or 10m (custom lengths up to 15m available)
Mechanical & Environmental:
Probe Material: Stainless steel body with high-temperature PPS housing
Temperature Range:
Vibration Resistance: 20g peak (100Hz max)
Ingress Protection: IP67 equivalent
Compatibility & Integration:
Direct Interface: With Bently Nevada 3300/3500 monitoring systems
Connector Options: MIL-C-5015 or DIN 43650
Calibration: Factory-calibrated for carbon steel targets
Certifications & Standards:
Industry Compliance: API 670 (5th Edition), ISO 10817-1
Safety Certifications: CSA, ATEX/IECEx options available
Hazardous Area Rating: Class I, Division 2
Typical Applications:
Steam and gas turbine monitoring
Compressor shaft position measurement
Pump and motor bearing vibration analysis
Generator air gap monitoring
Critical machinery protection systems
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