Why we are measuring 4-20ma? Why we are not taking 0-20ma? Plz answer this

1 Answers  

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how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

0 Answers  

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what is the standard controll pressure

1 Answers  

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What is the relation between electronics & instrumentation

2 Answers  

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Can SmartPlant Instrumentation be used in a concurrent engineering environment?

1 Answers  

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what is performance test.need defination

0 Answers   Takreer,

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how the arrangement of equipments done in control room

0 Answers  

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how to calibrate flow transmitter

1 Answers   Samsung,

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how we can check level probe and controller

2 Answers  

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Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

0 Answers  

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How to calibrate vertex flow meter? How to calibrate mass flow meter?

1 Answers   Chevron,

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Anybody can tell me  how to convert mmHg2o /psi to scfm  please give me formula of conversion

0 Answers   Samsung,

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