why level transmitter input is given 4to20ma

2 Answers   Sabic,

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There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

0 Answers  

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i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers  

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What is loop1 and loop2 in MTS LT?

0 Answers  

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What is intrinsic safety mean.

0 Answers   CCIE,

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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I WANT TO KNOW SOME BASIC CONCEPTS RELATED TO INSTRUMENTATION

4 Answers  

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What is the difference between fire detector and smoke detector?

5 Answers  

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How to calibrate a temperature transmitter & how a Cold junction Compensation will be carried out?

2 Answers   QAFCO,

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what are the on/off valve precaution?

1 Answers   Reliance,

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Explain about SOURCING & SINKING concepts in PLC to field sensor wiring ?

4 Answers   GATE,

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what is instrument philosophy

0 Answers   United Automation,

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