Answer / faiyaz ahmad

Controller is device which is used to control the field instrument.
Transmitter is device which is used to measure a physical quantity.

tell how to calibrate a magnetic flow tx, vortex flow tx,dp flow tx,nozzle flow tx and venturi flow tx?

2 Answers   TATA,

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What is the Difference between E/P Positioner and I/P positioner in a control valve? In which applications the respective positioners are used in?

18 Answers   ADCO,

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what is actual drum level and compensated drum level?

0 Answers   APGenco,

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hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 Answers  

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

0 Answers   IOCL, JSW,

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where do you give the 4-20 ma i/p in a MIL control valve?

3 Answers   Siemens,

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What are the reliability data ,like failure rate etc,for bently nevada systems & vibration probes.

1 Answers  

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Explain about safety integrated level protection? . How it was differ from other protections ?

0 Answers  

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How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.

3 Answers  

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what is power factor?

1 Answers  

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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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