PID controller is used for which type of compensation…… a) lead comp. b) lag com. c) lead lag com.

12 Answers   Engineers India Limited,

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers   Indian Steel,

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who to convert dc to ac

7 Answers   ONGC,

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how to measured k type thermocouple temp.

3 Answers   NTPC,

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Please any one can explain how to calibrate transmitter (smart) online with out remove from the container suppose it is interface level or static pressure level measurement we dont want to remove transmitter from the container mean it is running plant please give me detail. thankx brothers

1 Answers   KNPC,

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why we require Differential pressure?Why we use Orifice Plate?

3 Answers  

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my temperature transmitter in field showing 700 degree , whereas in dcs showing 459 degree, how to resolve this?

4 Answers   ONGC,

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What information needs for Control Valve "sizing"

1 Answers   Qatar Petroleums,

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Speedtronic system .

0 Answers   CCIE,

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difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

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in the pipe line if the control valve fails to respond to controller action,by what means we can stop the flow in the pipe line ?

9 Answers  

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how u calibate pr tx without master tx?

2 Answers  

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