Answer / shajee

4-20 ma signals and 1 to 5 volts used instruments

Answer / animesh

4 -20ma=1-5vdc
we use 250ohmresistor
so1v/250ohm=4ma
&5v/250ohm=20ma

Answer / vijayrathod

analog signal and digital signal

pls give me presant awerness quistion and answer in my emailid.

0 Answers  

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Hi, am aniket, I got engineering degree in instrumentation and control, but as their were no job availabilities for engineer's post I started working as instrumentation technician I kuwait, so my question is is this technician's experience worth for getting the position of engineer?

1 Answers   Almeer Technical Services,

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Why thermo wells are used? What materials are used in thermo wells?

0 Answers  

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How will you measure surface temperature of SUN?

2 Answers   GAIL,

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What is shriking and swell effect for a boiler ?

1 Answers  

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What is the difference between modbus,fieldbus & profibus

0 Answers   NSL,

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what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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I have a steam flow DP transmitter that has output swinging. Steam valve is in manual.I have good steam pressure. The impulse lines have steam tracing on them. The steam tracing has a hole in it that is blowing raw steam on the high side impulse line only. Could this be causing the swinging?

1 Answers   Honeywell,

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what is the difference between Feedback controller and Feed forward controller. and when it is to be used.

3 Answers  

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Linear amplifier.

0 Answers   CCIE,

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How many ohms are required for proper earthing?

0 Answers  

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What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

0 Answers  

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