why 4 to 20 ma? why cant some other range?

3 Answers  

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what is the si unit of pressure?

6 Answers   HTA Instrumentation,

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What is the different between of rtd and thermocouple ?

6 Answers  

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why we r opening HOT BYPASS valve during startup of a compressor?

0 Answers   Hamsco,

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what is absolute pressure, gauge pressure and atmospheric pressure?

2 Answers   Mother Dairy,

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What is a PID?

6 Answers  

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What is difference between profibus and modbus communication

2 Answers   GMR,

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what is maximum temprature in instrumentation

1 Answers   Sabic,

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any one suggest me how to calculate percentage of air leakage with formula,

0 Answers   SSL,

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What is DeltaV?

2 Answers  

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I want to use 1/2 inch SS316 tube in my high pressure & temperature (64 kg/cm2 & 500 deg C)after condensate pot in pressure tranmistter. 1) Is it possible to use 1/2" ss316 tube in high pressure and temperature line. Tube manufacturer is local vendor. 2)On sarting the plant, We need to do system fluse that time condesate is not in the condesate pot so steam is directly contact with the tube. We have no exact calculation to know our tube is ok or nor at this time. pleae,reply.

1 Answers  

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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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