Answer / vijay kumar

there is any conversion table & graph for convert bar to ma , here we change pressure in displacement via diaphragm then we convert this displacement in ma via to many technique may LVDT CAPACITOR & MANY MORE.............

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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different between calibration range and instrument range ?

2 Answers  

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What is the Temperature Co-officient of Resistance of PT- 1000 and PT-2000 ?

2 Answers   Adani, Birla, MEIL,

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how to check the leak in thermowells

1 Answers  

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difference between accuracy and precision

6 Answers   Honeywell, ONGC,

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what is the daily job of an instrument commissioning supervisor

1 Answers   Petrofac,

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What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?

14 Answers   Ensol, GNFC, Reliance, Siemens,

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what is cascade system ?

1 Answers   RSP, Thermax,

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why the derivative in PID is always set to zero?

3 Answers  

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How will you calibrate PID controller? explain with example.

0 Answers   Jacobs, Sirte Oil Company,

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How does a strain gauge measure pressure?

2 Answers  

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Why 4mA-20mA current loop selected as standard ???

1 Answers   IMCO, Reliance,

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