on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

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in my plant 100% feedwater control v/v is air to close but due to instrument air fail,the valve opens but instead of drum level high its get tripped in low low drum level.the urv of level tx is 0 and lrv is -800.pls tell me the reason. for such behaviour.

1 Answers   Sirpur Paper Mill,

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What is the difference b/w EMF, voltage & potential difference?

1 Answers  

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What is PID tunning

2 Answers   EID Parry, MFL,

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please send me gail format if u have... please help me if u can...

1 Answers  

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Which standard is used for calibration of Control Valves ?

2 Answers  

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how to calibrate the temprature transmitter MURCREYtype and thermocouple input type.

1 Answers   Shree Cement,

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what is difference between venturi and orifice

1 Answers  

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How to calibrate a orifice differential pressure flow transmitter in process?

1 Answers  

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wt is cold junction compensation

1 Answers  

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What is the use of temperature compensation?

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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