Answer Posted / todd

You connect it to a vacuum pump with a calibrated absolute
pressure gauge (electronic or mechanical). compare the two
readings. adjust as needed. Normal output is 4-20. 4 being a
perfect vacuum . 20 ma being the upper end of your range .

What is PDS and PDMS ?

2159

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please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

8665

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if in a level tx height is given, how u calculate the ranges of the tx?

7721

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In turbine, what does term CDP, NI, NH, HSSOC, means

2768

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the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

2076

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2329

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Calibration procedure for water rotameters

2193

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Programmable Logic control.

1954

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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

2805

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is motorized valve closed when power shutoff?

1731

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

3172

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

1835

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hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.

2174

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How r the calculation of process line mpm.

4802

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Explain PID controller tuning & any one method used for it.

7805

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