Answer / himanshu amin

dp trasmitter is having range of few w/c. take example of
you want to calibrate 0-50 in h2o dp transmitter. connect
power supply and multimeter to connection point. connect
small hand pump to high side of dp transmitter. keep low
side of dp open to atmosphere. first check 4ma when both
connection are open to atmosphere. then connect hand pump
to high side and give 12.5, 25.0,37.5 & 50 in h20 and check
8,12,16,&20 ma o/p.

how level can be measured in open tank with reference to pressure

1 Answers   Atul, INOX,

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Air pressure in a pressure vessel can rise or fall at up to 2.5kpa/s.The pressure is sampled every 0.5 seconds.If range of the the pressure indication is 0 to 1500 kPa, what is the max value of the error due to sampling in % of Span

2 Answers  

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micromotion flow meter used for

3 Answers   Reliance,

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

0 Answers  

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What is difference between loop and zone ?

5 Answers   Adgas, Bilt,

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can any one pl explain me in brief that how we select the leakage classification in valve,means for liquid or gas there is any standard for selecting leakage classification or its depend upon valve size or any any other parameter.

3 Answers  

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How hart protocol can be connected with control valves?

0 Answers  

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Briefly describe instrumentation job

1 Answers  

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types of cable..? Use of every types of cable..?

0 Answers   Hindustan Zinc,

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for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}

1 Answers   L&T,

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generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 Answers  

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WHAT IS DIFFERANCE BETWEEN INSTRUMENT AND EQUIPMENT

1 Answers   Lupin,

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