why gray colour is choosing to all instrument panel.why not choosing other colour?

1 Answers   Reliance,

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why 4-20 mA in covection system?

3 Answers  

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what is plc?

27 Answers   HPCL, KRL, Noor Company, Petrochemicals, SS Automation,

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What is the live zero and dead zero

2 Answers   Samsung,

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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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how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 Answers  

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I have a MRE200 amplifier for controlling a mitsubishi servo motor, I would like to know how many pulses are required to rotate the servo motor by 1 degree and what must be the pulse width

1 Answers   Essar,

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what is mass flow meter, working principle of mass flow meter and its installation.

2 Answers  

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What is MLFB number for Siemens?N How they are defined?Give me Answer with example like take any Signal module....

1 Answers  

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what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 Answers  

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I have observed in field instrumentation work... I remove the fuse of an analog transmitter then it shows 7.75 kg/sq cm (which is practically wrong value)in DCS and when put the fuse it shows 0 in dcs. Then cheach the field transmitter termination and found moister. clean that and then it shows 1.1 kg/ sq cm which is right value. Please describe the above phenomenon.

1 Answers  

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How to consider the flow directions for control valve (Globe) Is the there any easy understanding in order to select the flow directions?

3 Answers  

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