how do i calibrate mmwc pressure guage with out calibrator.if any? pls give me the ans.

1 Answers  

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why we are using magnet for calibration of gas detector?

0 Answers   NSH,

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how to define the P,I,D value in tuning pid loops in online.

1 Answers   Thermax,

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what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

0 Answers   Bosch, Eskom, Sabic,

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

0 Answers  

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

2 Answers   Bombay Rayon Fashions, Invensys,

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how to caluculate flow by using transmitter?tell me plz I am eagerly waiting for your reply..

2 Answers   Agi Glaspac, Reliance Power,

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Explain about signal isolator

1 Answers   TCS,

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1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling

0 Answers   BARC,

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my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

0 Answers  

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How many ohms are required for proper earthing?

0 Answers  

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