how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

0 Answers  

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What is open loop and close loop?

4 Answers   L&T, Pearl Distillery,

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How we select the range of level transmitter in closed vessel ?

4 Answers   Rosemount,

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why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

0 Answers   NATPET,

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what is control valve and how is work

5 Answers   Descon,

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explain key exchanges in all security modes WPA,WPA2,TLS?

0 Answers  

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What is Fieldbus?

3 Answers   NSL,

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how to make a calibration for differential pressure

2 Answers  

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My rtd working well at the same time r/i converter is not working properly.when power is given to rtd..it is giving 30mA and getting 2.4 mA if i remove the compensate leads No matter how many ohms.why it is happening like so?what is the solution?rtd range-0-200deg c& 4-20 mA o/p.please give me solutiin anyone......

1 Answers  

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There are many type of control cable like pair,core,tried, What are defination each one

0 Answers   Birla,

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how to turbine speed measurement?

0 Answers   Jindal Steel and Power,

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what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

0 Answers  

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