i have one absolute pressure transmitter for the range is
-400mmhg to 400mmhg. If i do the zero trim at atmosphere the
transmitter should be give 4ma or 12ma? which one is correct?
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Answer Posted / senthil.doosan
-400mmhg= -0.53bar
400mmhg = +0.53bar
if u do zero trim by opening the valves with respect to atm
the output of the transmitter is 12ma
without any process connection the output is 4ma
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