What is the difference between relative vibration

4 Answers   Desein,

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how to calibrate transmitter online (in running plant)please explain correct procedure

4 Answers   Sabic,

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Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

1 Answers   Cisco,

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in rotark mov in display err msg showing how to remove the error

1 Answers  

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In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  

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What happens if the Displacer has fallen or has a hole in it?

1 Answers   CCIE,

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how many type conductivity sensor ?

0 Answers   Process Automation,

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please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

0 Answers   Wartsila,

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how to measure flow with dp

1 Answers  

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how to calculate control valve bonnet size?? or how to select its material?

0 Answers   Jacobs,

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How can you convert an SR Flip-flop to a JK Flip-flop?

1 Answers  

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can we control operation of PLC from operator station?

3 Answers  

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