why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

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How to check range of DP Transmitter

7 Answers  

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Guy's need your support,I want to measure closed tank level which is under vacuum -630mmHg using DP Transmitter, tank fluid density 1.38, Tank height is 7ft

4 Answers   icl,

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what is function of ESD , and how is it work, explain with difination

1 Answers   Bapco Bahrain Petroleum Company, BMB,

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define optical temperature detector

1 Answers  

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What is PID tunning

2 Answers   EID Parry, MFL,

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how to replace the smart transmitter software

1 Answers   L&T,

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cascade controller is feed back or feed forward or both

4 Answers  

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How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

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which types of oxygen analyzer describe with drawing ?

2 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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why OPC server is used in DCS?

2 Answers  

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