what is the characteristics of control valve?

7 Answers  

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how to calibrate ph meter?

3 Answers  

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Dear all... I have 1 0-400 duplex type RTD, I connected the A side to the temperature indicator and B side to the PLC panel, but when I have observed then found that The PLC side temp has the variation. and it was distub to other RTD temp also. so what can I do.

1 Answers  

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how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

1 Answers   ARPC,

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Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

0 Answers   IOCL,

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what is difference between hart signal and analog signal (4 to 20 ma)

2 Answers   Takreer,

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What is instrumentation control?

0 Answers  

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Can we use twisted pair cable instead of ethernet for communication?

1 Answers   Yokogawa,

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Name different parts of a pressure gauge.

0 Answers  

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What are the logic behind 2x2 and 2x3 logic and more when ask in interviews

1 Answers   Reliance,

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Any one can help me to identified, how can we interchange the device in FF

0 Answers   Ion Exchange,

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what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

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