pressure gauge measure static pressure or dynamic pressure?

3 Answers  

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how to connect the HART protocal with control valves

1 Answers  

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what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

1 Answers   Samsung,

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what is cold loop? difference between hot and cold loop?

0 Answers   Adani Power,

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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How to Calibrate the magnetic flow meter on site ?

1 Answers   MRL,

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regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?

1 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

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why we use by pas on a positioner? When can a by pass be not used on a positioner ?

2 Answers  

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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How we select the range of level transmitter in closed vessel ?

4 Answers   Rosemount,

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