18
Bias voltage
When measuring vibration with external sensors, a bias
voltage check will automatically be made to check the
quality of the signal transmission between sensor and
instrument. Part of your signal will be lost in a poor
sensor line, so your measuring results will be incorrect.
If a measurement is made with a poor sensor line, the
instrument will display Bias error.
If there is an open circuit (broken cable or no sensor
connected) the bias value is >16 V. If the bias value
is <8 V, the connectors, cable, and sensor should be
checked for short circuit.
Summary of Contents for VibChecker
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