Why we are using PLC instand of DCS in ESD System? can u explain any one?

2 Answers  

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in the construction field why hook up s.s.tubing for transmitter using upto 6mtrs of closed loop, but y not open loop nomore restriction

5 Answers   Sabic,

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Why 4ma - 20ma signal used in instrumentation??

5 Answers  

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

0 Answers  

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where can i find a flameproof hmi unit?

1 Answers  

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What is Positive Calibration and Negative Calibration?

0 Answers   SA Kent,

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what is procedure of calibration of remote seal transmiter, botom to top flanch 850mm, fluid liquid density .73, transmiter fixed on a fractionation colum, under vaccume 10mbar

4 Answers  

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what is thermocouple output

7 Answers   IPCL,

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Why we use mmwc unit for pressure

3 Answers  

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What is seismic transducer?Where it is used?

1 Answers  

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what is the deluge ? How can its working?

2 Answers   KOC,

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What is actuator what is motorized control valve?

5 Answers   Emco,

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