what is the calibration standard for pressure and differential pressure transmitters?

1 Answers   Thermax,

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What is require for PLC Programming?

6 Answers  

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i have one absolute pressure transmitter for the range is -400mmhg to 400mmhg. If i do the zero trim at atmosphere the transmitter should be give 4ma or 12ma? which one is correct?

2 Answers  

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In field side transmitter voltage droping here no loose connection then what will happen?

2 Answers   Edac,

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Explain types of valves?

0 Answers  

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What is the definition of direct acting valve & reverse acting valve

2 Answers  

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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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how to commission furnace ( water heater)

0 Answers   Petrofac,

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Who to difference between analog in & analog out in dcs?

0 Answers  

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if change the pid in D value so what action.

2 Answers   Siemens,

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i/p converter always for supply pessure from 3~15 psi only !! And from where this converter bleed the air.

2 Answers  

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difference between span and range

3 Answers   IOCL,

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