Answer / rajkumar

Shield wire is to eliminate the noise pickup in the signal
wire due to magnetic interference from the near by
source
Panel or JB side shield to be earthed but Instrument side
no need to do earth (cut the shield and tape).

why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

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Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

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How do you identify an orifice in the pipeline?

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what is difference between 3 wire and 4 wire RTD sensor?

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i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

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Conversions

0 Answers   CCIE, Nestle,

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To calculate temperature, why we multiply 25 with mV?

2 Answers  

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how the 4 to 20 mA signal goes to any controller/indicator,and what is the role of voltage ,12/24 and how to do connection of it, in controller.

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what is relation between electronics&instrumentation

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how many type of control valve?

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