Answer / ejazmaqsood

because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.

In bimetallic temp. Gauges why does metal strip bend? Why do we use low expansion factor metal and high expansion factor metal in bimetaliv strip?

1 Answers   Process Control Technologies,

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why 8bit microprocessor referred as 2^16?

2 Answers  

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Are Coils of Electromagnetic flowmeter in direct contact with fluid material

4 Answers   TATA,

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what is the imbustion control loop

0 Answers   Manali Sugars,

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Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?

0 Answers  

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what is the difference between plc & DCS?

5 Answers   Cheminova, NGIL, Siemens,

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How r the calculation of process line mpm.

0 Answers   Bhushan Power Steel,

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what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

3 Answers   Orchid, SRF,

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Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?

0 Answers   Chagalesh Consulting Engineers,

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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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calibration of instruments.

11 Answers   ONGC,

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what is span adjusment of transmitter? what is the function of positioner/

2 Answers   Kent,

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