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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which instrument is used to study the structure of phloem and xylem tissue?

1 Answers  

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what type of cables are used for f&G systems and detectors, what is the standard colour?

2 Answers   Punj Lloyd Ltd,

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how to calculate MMWC values in to Tonns(MMWC values showing in DP transmitter and Tonns value showing in Totalizer). please tell me details?

2 Answers   Chemin C I, MSP,

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Explain any simple temperature control system.

3 Answers   HGJ, L&T,

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what is the safety integrity levels (SIL)

1 Answers  

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how to calibrate transmitter online (in running plant)please explain correct procedure

4 Answers   Sabic,

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what is buoyancy law?

1 Answers  

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What is the full form of PMMC ?

7 Answers   DVC,

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why use to 250 ohm for hart protocol and why hart communicator not communicate without 250 ohm 

4 Answers   OMV,

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working principle of lvdt?

2 Answers  

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What is meant by cold float of compressor shaft.

1 Answers   Sabic,

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