How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

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Explain the working principle of variable frequency drive?

0 Answers   ABB,

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State four different types of flow measurement.

4 Answers   ADMA OPCO,

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hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

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How can test or measure the probe and extension cable to identify if the problem at the probe or cable or at the driver it self? (pleast notify the measuring method)

0 Answers  

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what is shutoff dp? why is it important for selection of a control valve?

1 Answers  

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tell me the temp range of rtd?

8 Answers  

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What is diffrence between Transducer and Transmitter?

13 Answers   Ford,

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I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

0 Answers  

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what is the difference between CPC and i/p converter

1 Answers   Siemens,

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what is piezo electric transducer?its principle?

2 Answers  

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How LVDT position transmitter works on DC supply(24vdc) from DCS, whereas transformer operates on AC supply? pls help..

1 Answers  

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