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Answer Posted / sanjaymaven
i follow your above procedure
i use 0-30 psi pressure gauge
when i feed 4 mA gauge show 3 psi, gradually i increase mA
, simontaneously pressure increase.At 10 mA gauge shows maxm
20 psi. i little adjust the range screw but nochange on
gauge. now what will i do .please sujest
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