Answer / nilesh karpe

...Unit Level
Group control level(GC)
subgroup control(SC)

in instrumentation why we are using 4-20mA , why not voltage ? if somebody design a instrument which works on voltage then can we use that instrument?

6 Answers  

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Why integral control mode call Reset controller?

1 Answers  

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how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 Answers  

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How to measure high frequency using thermistor

1 Answers   DRDO,

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is manifold required for an integral orifice meter?

2 Answers  

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while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know

2 Answers   JAL International,

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How to work DCS? how to get the signal from Field Instruemtns to PIB to Console?

2 Answers   Alstom, Invensys,

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what is difference between DO and DI

6 Answers  

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what is the working principle of ABB gas analyser of kiln in cement industries

4 Answers  

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why we use 250 ohms across HART CALIBRATOR DURING CALIBRATION OF TRANSMITTER

4 Answers  

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how to connect 3 wire 4-20 mA transmitter in Plc system PLC system and how explain how the measuring data communicate with plc system.

1 Answers  

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whats diffeence between dcs & scada operation.

3 Answers   Orchid, Reliance,

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