Explain PID, ON/OFF, Controls

0 Answers   CCIE, Gulf Engineering,

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how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

0 Answers  

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Please explain about FAT? What is the difference between FAT and SAT?

6 Answers   IBM,

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what is plc?

27 Answers   HPCL, KRL, Noor Company, Petrochemicals, SS Automation,

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WHAT IS DIFFERENCE BETWEEN TWO WIRE RTD AND THREE WIRE RTD?

5 Answers   Yokogawa,

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WHAT IS THE DIFF BETWEEN FREQUENCY AND INTENSITY?HOW IT WORKS IN FLAME SCANNER ?

1 Answers  

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what is the output of conductivity sensor and PH sensor?

3 Answers  

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i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

0 Answers  

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

0 Answers   Coromandel,

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How do you calibration D.P transmitter? ?

2 Answers   Power Plant,

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What is mean by trim?

5 Answers  

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which type signal come control valve

6 Answers  

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