Answer / chandramauli sinha

Dry contact is volt free contact. for e.g- relay contacts .

Wet Contact is voltage at the relay contacts.

Answer / jith

dry contact is the one which doesnot have internal soure of
energy

how can calibrate vacume trasmitter by HART COMMUNICATOR ?

3 Answers   Bajaj, IMECO,

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

0 Answers  

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draw shematic diagram of c/v positioner(smart type)?

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what deference between panel earth and systemearth

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2 Answers   HPCL,

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what is difference between profibus and field bus?

1 Answers  

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How we can re-range the DP transmitter, range is -0.5 to 2.0bara. new range is -0.5 to 5 bar

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2 Answers  

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what is function of SCADA , and how is it work, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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