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why we used for range in pnumatic 3-15 psi and current 4-20
ma?
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Answer Posted / gunasekar.man
because it is use for voltage drop 4-20ma pnuematic input supply presure 6bar will be converted to be 3-15 psi are also its standrd use.some application will be use diffrent power supply for 5v,12v,24v.....but 4-20ma are constant
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