Answer / ashish namdev, bina refinery [

all calibration do with a reference. when reference will not
available any calibration can't be done.

Answer / am i nuts?

The above answer is correct. One needs to have a master.

difference between vaccum and draft

0 Answers  

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p=hdg,please explain these parameters?

7 Answers  

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What are three main programming in PLC

5 Answers  

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How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?

2 Answers  

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What is the difference between instrument earthing and normal earthing? and why is it necessary to do so?

3 Answers   Atul,

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Questions on flow meters,few questions on HART protocol,

0 Answers   Monnet,

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What is a PID controller and how can it to applied to our everyday life?

4 Answers  

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loop chech tools list

1 Answers   BAP,

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When a timer is placed in RS Logix 5000 with preset value less than its scan time it is malfunctioning. i.e., if the preset is set to 30ms still the timer TT bit is counting till 150ms(its scan time). Any solution for the problem?

2 Answers   Balco,

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

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How will you select suitable Instrument for Process line/Tank/Vessel?

5 Answers  

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