why we use -ve voltage in vibration monitoring
system.generally we use 4 to 20 mA as output of instrument
then why we use voltage in vibration
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Answer Posted / r.k
the concept of 4-20 mA & -ve voltage in vibration are
totaly different.The proximitty probes by the Bentley
Neveda and the Proximitter works on -ve bias volatge as it
made conventionaly.the devices which transmit the signal as
AC&DC Voltage depends upon measurement with less
trasmission loss to the Input Module.Formation of eddy
current w.r.t vibration is proportional to the changes in
voltage which is measured by the system.
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