Why we use 250 ohm resister in series hart communicator?

3 Answers   Thermax,

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What is the difference between DCS and SCADA?

1 Answers  

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what is the name of thermocople element cable from field to pannel end?

3 Answers  

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How does a strain gauge measure pressure?

2 Answers  

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How to Calibrate Radar Level Transmitter in Field

0 Answers  

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how to calculate the temp. of RTD&Thermocouple when we got some mV r Ohms?if anybody has d chart pls mail the chatrs to me...

1 Answers  

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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

0 Answers  

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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what is pressure control

1 Answers   GNFC, IBM, Privi Organics,

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please send the hpcl (instrumentation) model placement papers to my mail....

9 Answers   HPCL, Invensys, IOCL, ONGC,

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Explain , how timer based pneumatic control valve will work ?

1 Answers  

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please tell me how maintainence person shifted to good epc company/design company

0 Answers  

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