whats the working principle of level transmeter?

6 Answers  

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Why we use 3-15 psi air for control valve input?

2 Answers  

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What types of thermocuple are mostly used?

6 Answers  

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What are the instrumental diagram of valve.

2 Answers   Karnataka Power,

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Is there devices to convert mechanical energy/rotational energy into electrical energy.......? PLease suggest me....

6 Answers  

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

1 Answers  

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what is interlock ckt? why it is necessary in industrial machines ?

2 Answers   IOCL,

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What is a flow meter?

2 Answers  

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Why 1-5 vdc a standard?

1 Answers   Process Control Technologies,

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?

5 Answers  

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In which principles tx ,pressure gauge,Temp gauge,control valve works?

0 Answers   Bajaj, Professional Instruments,

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