How to check range of DP Transmitter

7 Answers  

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what is the function of a zener diode ?

2 Answers   Honeywell,

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What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

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What is transducer

4 Answers   IFFCO, Jindal,

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how to solve temperature error in compressor?

1 Answers  

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I have transmitter of range -20 to -5 kpa.if it is possible to zero trim with atmospheric pressure,means HP and lp having no pressure...what will get after zero trim and it is the right way.....plz give me reply ....

3 Answers   KOC,

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Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

0 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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what is DCS and SCADA?

2 Answers   APL,

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when the force applied on load cell the ohms will be varriying .and how its convert ohms to mv generate and have any formulae?

1 Answers   UETCL Uganda Electricity Transmission Company Limited,

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why we use the 4-20 mamp signal used for transmitter.

5 Answers   Tecnimont,

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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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