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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 / rajesh
As per Numerology 4 is the good number for all analog instruments. next number of 4 is 5. multiply both of them
(4 x 5 = 20).
So only 4 to 20 MA is used in all Analog Signals.
Note: Sorry Friends, i just check whether this website accept all answers or filter.
Don't accept these answers even more no of YES. Because everyone will answer this website without knowing the answer.
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