how to calibrate TT transmitter

3 Answers  

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What is the load line in control valve?

1 Answers   IFFCO,

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i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

0 Answers   OEG,

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in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 Answers  

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Difference between ultrasonic flow meter and radar type flow meter

2 Answers   Dodsal, Qatar Petroleums,

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Explain the mechanism behind the turbine meter.

0 Answers  

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what is diff between the motor and pump

10 Answers   HCL,

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what do we mean by hook up drawing. what r the information we get from it?

7 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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please tell me five types of fault of control valve and positioners?please

1 Answers  

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A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

0 Answers  

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Full form of KKS when use DCS.

0 Answers  

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