Answer Posted / aissa

why we use sensing type(NPN)on a vibration monitring
system not a (PNP)sensing type
ANSWER
it's a matter of THE COST since NPN technology is less than PNP

how works encoder in plc

1594

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, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

7572

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is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1799

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what is the calibration procedure for magnetic flow meter @ onsite

1210

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Why even multiple power supplu r used in instrumentation system?

4163

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how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

1685

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1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC

2081

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what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1325

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May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1615

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what is the electrical operation procedure for switching on 27.6MVA electric furnace.

1608

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Turbidity analyzer working principle ?

1338

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Questions on flow meters,few questions on HART protocol,

1575

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what is the reset offset and control system in instrumentation

3124

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The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

1847

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what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4410

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