generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

2 Answers  

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What is intrinsic safety mean.

0 Answers   CCIE,

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the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove

0 Answers  

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Conversions

0 Answers   CCIE, Nestle,

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what is coriolis principle for mass flowmeter?

5 Answers   ABB,

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how to use level tranasmitter in closed tank application.?

3 Answers   Dalkia,

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What is the meaning of the term "g force"?

3 Answers   Reliance, Saint Gobain, Thermax,

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I have seen the Temperature element (T/C & RTD) installed in process line on 45 degree position, Why? What it mean? How many types of tapping position for temperature elements?

4 Answers  

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how u meassure room temp?is it possible 2 meassure room temp by rtd or thermocouple?between rtd n thrmocouple which is more regard?3 meassure diff. between rtd n thermocouple?

3 Answers  

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why we use 24 vdc in instruments mostly?

2 Answers  

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What is the purpose of LO overhead tank in turbines.

1 Answers   ADMA OPCO,

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Distributed control system

1 Answers   CCIE,

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