Why hunting will occour in control valve?

6 Answers  

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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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What is intrinsic safety mean.

0 Answers   CCIE,

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Isometric drawings are generated during _________________ phase of a project

0 Answers  

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what's the reson that,Load is not same on VFD I/P and O/P Side.whenever DOL condition load is same I/P and O/P side.

2 Answers  

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with the help of suitable diagrams different types of control valves

1 Answers  

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Why ues 250 ohms Resistor during hart type instruments calibration with hart protocol in details ?

5 Answers  

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Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 Answers  

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why using negative supply for bentley nevada vibration system ?

0 Answers  

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Draw symbols of the following :

0 Answers   CCIE,

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what are the steps I have to deal with?

0 Answers   ONGC,

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Explain how thw analog to digital converter works with the circuit diagram

0 Answers  

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