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Why any transmitter signal is 4-20 mA only
Why is started from lower range 4 mA and upper range is
20mA.

Answer Posted / p.v.srikumar

because if use 0 -20 mA as 0-100% there is any signal cable
damage or cable open it will show only 0%. if use 4-20mA as
0-100% it will show bad process value(live zero).

Is This Answer Correct ?    13 Yes 9 No



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