Answer / anuj kumar sharma

Answer

Answer / umesh shah

all instruments basic working principle is a transducer.

Answer / ramesh kumar singh

Temperature sensor work on seeback effect, positive temperature coefficient, negative temperature coefficient,thermoelectric effect, pressure sensor work on strain gauge, orifice plate,piezoelectric crystal,for flow measuring using magnetic flow meter.for ,level measurement use level probe.etc

In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 Answers  

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if a tank is contaning oil and water than how can we measure the oil and water level seperately

3 Answers  

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why is honed type flow orifice plate? what purpose it used? how to select this?

4 Answers  

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Why Pressure Transmitter is NOT installed before up-stream of an ORIFICE PLATE? in a flow measurement.

4 Answers   Mecon,

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calibration of instruments.

11 Answers   ONGC,

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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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What is glanding

1 Answers  

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hello this is dhinakar subramanian. how to piping and instrumenation drawings and also how to create the data sheets...

1 Answers  

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IF PLC POWER FAILURE THEN WHAT HAPPEN?

2 Answers   IFFCO,

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What is the difference between fire detector and smoke detector?

5 Answers  

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Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

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