HOW MANY METHODS OF TEMPERATURE MEASUREMENT ? HOW MANY MEASURING DEVICES / TRANSDUCERS ?6 9136
can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.9 9219
Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?3 10923
Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..7 10339
Where & Why we are using SURGE PROTECTION ?4 6914
1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC1738
WHAT IS SELF CLEAN ELCTRODE IN MAGNETIC FLOWMETER?? WHAT DO YOU MEAN BY THIS TERM??2 7261
how to set calibration range in a DP transmitter to measure level for a closed tank and for an open tank,and also please explain me how to set calibration range for a DP flow transmitter in a line ?1 7852
in current transmitter why we use 4-20ma ???2 3936
Yokogawa mass flow meter shows negative reading...what r the main causes for this problem?...3 6911
What is safety barrier and how it is work2 3132
difference between repeatability and reproductability1 2657
what is stability2 2792
difference between span and range3 12650
State the criteria which a trusted publisher should meet before adding him?
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