canu tell me why 4-20 ma and why not this 3-25ma?please give reason of this value.

6 Answers  

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How to check the SCAN time of DCS ,n dont give therotical answers .How to check the SCAN time of DCS during FAT?

2 Answers  

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regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?

1 Answers  

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What are the cable come out from the paddle type flow sensor.and how is further connections

1 Answers  

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Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

0 Answers   Essar, Sail,

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What is the difference between radar and ultrasonic level transmitter? Which method is best and more accurate?

8 Answers  

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What is safety barrier and how it is work

2 Answers   IOCL,

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What is the use of the shield wire and how is the connection at both the ends of a shield wire?

2 Answers   Samsung,

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what is the usage of QDV & VOLUME BOOSTER

0 Answers   ADMA OPCO,

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What is Cavitation in a control valve?

0 Answers   CCIE, KN,

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the basic of a DP flow transmitter are the following

1 Answers  

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In Increasing temperature why thermocouple used and RTD is not used. Both RTD and Thermocouple have in Range of uses.

5 Answers   L&T,

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