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162VTRA(H) Loop-Powered 4-20 mA Vibration Transmitter
The 162VTRA(H) Vibration Transmitter provides a 4-20 mA output that is proportional to Velocity, which represents vibration severity. Vibration is detected using a piezo-electric crystal. The crystal's output signal represents Acceleration and is electronically converted to Velocity. The device is LoopPowered using a 15-30 VDC power supply. A 250 ohm resistor is usually used to provide a 1-5 VDC voltage drop to the instrumentation sampling the output. TWO-WIRE VIBRATION TRANSMITTER Vibration level is an excellent indication of machine condition.