What is the meaning of Dry contact and Wet Contact related to to sensors?

5 Answers   Emerson, Google,

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what is input and output cards of plc needs to be hot swappable mean

1 Answers  

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where we are used split range control

1 Answers   Borouge,

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what are the diff. in servo and regulatory control?

0 Answers  

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what is the characteristics of control valve?

7 Answers  

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In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?

1 Answers  

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Dear sir i m presently working in power plant nd my question is if any pump give flow 18tph then how would i know that how much range flow tx installed their flow line for flow measurement plz give me ans

1 Answers   HPSL, Infotech,

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Why we use mmwc unit for pressure

3 Answers  

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who to convert dc to ac

7 Answers   ONGC,

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Why do we use 24V DC supply in instrumentation? What are its merits and demerits??

1 Answers   JSW, MJPRU,

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who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.

2 Answers  

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WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?

23 Answers   Exxon Mobil, Honeywell,

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