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EVAII End-Winding Vibration Sensor Kit for Air-Cooled Machine
Brand: IRIS PowerEnd-winding accelerometers for air-cooled generators based on fiber optic technology that can be used with the Iris Power EVTracII, the GuardII monitoring systems.
Features- Single or dual axis sensing directions
- Single optical fiber for each sensing axis
- Flexible optical cables
- Dual axis sensor has low cross sensitivity increasing accuracy
- Safe in high voltage and high magnetic fields
- EVAII maximum continuous operation to 200°C
- Low sensitivity to cable vibration
- Accelerometer reliability extensively evaluated using accelerated life testing at high temperature and high vibration levels
- Electro-Optical Drivers are not mounted on the motor or generator frame, ensuring a longer life and easier maintenance
- Optical Fiber from sensor to Electro- Optical Driver ensuring no RF interference
- Electro-Optical Driver test point enables calibration with fine adjust buttons
- Any EVAII sensor can be paired with any EOD
- Calibrated using Back-to-Back comparison per ISO 16063-21
- Standard 100 mV/g electrical output compatible with any standard vibration monitoring instrument
Specifications
Brand
Dynamic Range
- 0 to 50 G
Frequency Range
- 5-1,000 Hz (± 1 dB)
- 5-500 Hz (± 0.5 dB)
Minimum Cable Bending Radius
- 2” (5 cm)
Operating Temperature
- -50°C to 200°C (-58°F to 392°F)
- Electro Optical Driver: -20°C to 60°C (-4°F to 140°F)
Residual Noise
- < 1 mV RMS
Resolution
- < 0.007 G Peak
- < 0.24 μm Peak-Peak at 120 Hz
Sensitivity
- 100 mV/g
Transverse Sensitivity
- < 4 %
Voltage
- Electro Optical Driver: 12 Vdc, 110 mA Per Driver