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why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything
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Answer Posted / palak m
Why only 4 mA, why not 1,2,3 mA? Because it is universally
tested and approved that at 4 mA the signal has minimal
interference.
| Is This Answer Correct ? | 9 Yes | 19 No |
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