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

Hook up resistance decade box to temp.transmitter.

0 Answers   CCIE,

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hi am durga, i just now completed my eie [2009] , can anyone please guide me what r courses i need to join to enter into core company

6 Answers  

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Calibration of flow transmitter.

1 Answers   CCIE, Power Plant,

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Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?

2 Answers   Infotech,

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what is the difference between hub and switch?

6 Answers  

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IF ASK IN THE INTENVIEW WHAT TYPE OF BMS YOU USE?

1 Answers  

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How do you calibration D.P transmitter? ?

2 Answers   Power Plant,

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what is modbus & what signals are taken through it

2 Answers  

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what is plc?

27 Answers   HPCL, KRL, Noor Company, Petrochemicals, SS Automation,

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what is the zero and span trim?

2 Answers  

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How much should be the values and/or percentages of these given below factors for a good controller ? Steady state error Delay Rise Time Overshoot Peak Time Settling Time Damping Oscillations & vibrations thanks

1 Answers  

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what is the full formof HART

7 Answers  

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