why 4ma show higher zero ? i have transmiter flow renge 0-1000 m3/h but 4 ma show in monitoring 200 m3/h and 20 ma show 1000 m3/h i want when 4ma show 0 m3/h and 20ma 1000m3/h

3 Answers  

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I HAVE GOT TYPICAL PROBLEM WITH THE TEMP.INDICATION. THE PROBLEM IS THE K-TYPE T/COUPLE OUT PUT IS CONNECTED TO A INDICATOR.THE INDICATION FLUCTUATES SOME TIMES AND SOME TIME IT IS STABLE. WHEN I CHECKED OUT PUT OF T/COUPLE THE MV WILL NOT VARY. WHERE AS INDICATION FLUCTUATES. WHEN I GIVE MV SOURCE TO T/COUPLE EXTENSIONCABLE FROM THE FIELD IT INDICATION IS STABLE. WHEN GIVE MV SORCE TO INDICATOR ITS INDICATION IS STABLE. PLEASE CLARIFY.

5 Answers  

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what is working principle of presure and temperature guage?

4 Answers  

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what do you mean by cathodic protection?

1 Answers   Saipem,

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why we require Differential pressure?Why we use Orifice Plate?

3 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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Can we use PLC in Hazardous Area?

2 Answers   MNHG,

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What is Integral and Derivative control?

5 Answers   Qatar Petroleums,

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meaning of SMART

3 Answers   ISRO,

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what is interface level measurement.who can calibrate interface level measurement transmitter online

0 Answers  

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What is an instrumentation amplifier? How is it better than a differential amplifier when handling outputs from a wheatstone's bridge?

2 Answers   Honeywell,

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draw shematic diagram of c/v positioner(smart type)?

0 Answers   Coromandel,

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