What is the difference between radar and ultrasonic level transmitter? Which method is best and more accurate?

8 Answers  

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if i want to make a zero trim for mass flow meter the pipe line should be empty or i need to make it full? i really need the answer pls help me

2 Answers  

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model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

0 Answers   Jindal,

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So I'm a first year apprentice and I'm having a tough time with knowing the difference between AI, AO, DI, DO. I'm having a hard time understanding what devices are which and why. Can someone explain this to me?

2 Answers  

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Sir i am studying M.sc,(Tech.)Electronics and Instrumentation in Andhra university.What is the offers for me?

4 Answers  

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In control engg. : Differences b/w 1st order & 2nd order system, graphically & theoretically ?

0 Answers  

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Explain what is meant by the term “FLASH POINT” of liquid?

2 Answers  

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What is the logic a Transmitter control a Control Valve? How the signal going to the Control valve? What are systems/Panels/cables/signal used to control valve from Transmitter?

3 Answers  

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Explain the working principle of variable frequency drive?

0 Answers   ABB,

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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How to calibration a control valve?

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if my flow is 20000 m3/h than which range of DPT i have to use????

0 Answers  

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