Why any transmitter signal is 4-20 mA only Why is started from lower range 4 mA and upper range is 20mA.

5 Answers   Edac,

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What is the main difference between Cavitation and Flashing?

1 Answers  

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Explain any simple temperature control system.

3 Answers   HGJ, L&T,

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what is different betwen Process zero and atm zero?

1 Answers  

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

0 Answers  

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What is meant by Fail Safe Condition in PLC?

4 Answers  

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Why MUX JB's are using only Temperature Element in Fundation field bus?

0 Answers   Reliance Industries,

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What is shriking and swell effect for a boiler ?

1 Answers  

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What is the difference in clamp on type and inline type ultrasonic flow transmitter.

1 Answers  

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where proximity sensor installed on tank in loading arm application

0 Answers   Kalpena Industries,

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what is performance test.need defination

0 Answers   Takreer,

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