WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

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How to calibrate H2s Dectector

0 Answers   KOC,

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what is effect of specific gravity in differential level transmitter , explain formula related with this .

0 Answers   Flour Tech Engineers (P) Ltd,

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how to calibrate the temprature transmitter MURCREYtype and thermocouple input type.

1 Answers   Shree Cement,

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Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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My flow transmitter range is 0-1000mmwc.DCS range is 0- 100m3/hr.What is correspond out put in terms of milliamps if my flow is 65m3/hr

4 Answers  

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what is different between modbus and serial link? please could anybody give right answer.

2 Answers  

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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers  

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i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

0 Answers  

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how many type of plug are used in pneumatic control valve,name them.

2 Answers   Godrej,

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in mass flow meter what is drive friquancy ?

0 Answers  

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what is meant by turn down ratio?

3 Answers   Avant Garde,

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