why 1 to 5 vdc is used for output measurment

4 Answers  

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selection criteria of control valve? and selection criteria of actuator explain in brief?

0 Answers  

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how to derive kg/cm2 to mmwc? complete derivation.

11 Answers   L&T,

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How can I map a tank?  Tank 15m h and 42m dia. we just fixed radar type lit. its reading shows over range. Now its required mapping ?

1 Answers   CMC,

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Explain the combusion chamber

0 Answers   IFFCO,

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what the differant between Wet Leg /Dry Leg

2 Answers   Sepam Group,

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Advantages of servers over normal desktop in PLC SCADA system

1 Answers   InfoMedia,

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How will you change the action of a control valve?

1 Answers   CCIE,

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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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In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?

1 Answers   NSH,

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how to convert cubic metre per hour to newton cubic metre per hour

0 Answers  

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Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

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