how to calibrate transmitter

3 Answers   Sabic,

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what is purpose of three way manifold valve using for dp transmitter

1 Answers  

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how to measure draft pressure in transmitter pl. give its single line digram

0 Answers  

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when we are using HART COMMUNICATOR why we are using 250 ohm resistance while using HART COMMUNICATOR.

7 Answers  

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in which mode of the zener diode act when load voltage is approximately constant

1 Answers  

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what will be the output of a temperature transmitter if temperature is 120 degree celcius?

6 Answers   KNPC,

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Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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Can anybody tell me application of PLC,DCS,SCADA.

3 Answers   Reliance,

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Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

5 Answers   Air Liquide,

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if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

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what is the function of boiler in plant?

2 Answers   Maden,

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How can measure flow in oil line?which type of transmitter is generally used?

1 Answers  

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