Why we use 4 to 20 mA, (This is International Standard) instaed of this can we

Why we use 4 to 20 mA, (This is International Standard)
instaed of this can we use 4-16, or 4-24 or 3- 15 or any
other range

Question Posted / abi.inst

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Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 o..

Answer / amit kr jain

We use 4-20 mA range as a standard bcoz we know very well
when there is no input i.e. output must be 4 mA otherwise
instrument is giving wrong output(i.e. instrument not
having proper calibration).
-Amit

Is This Answer Correct ?

14 Yes

32 No

Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 o..

Answer / elayaraja

We use 4-20 mA range as a standard bcoz we know very well
when there is no input i.e. output must be 4 mA otherwise
instrument is giving wrong output

Is This Answer Correct ?

1 Yes

22 No

Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 o..

Answer / r natarajan

4-20 mA signals are possible to divide equally, 0-4 mA as
close loop checking.

Is This Answer Correct ?

3 Yes

37 No

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