Answer / mugil

The Square root Flow transmitter Formula is Q=(DP)^2.
Flow is equal to square root of differential Pressure.

Answer / jeffrey

Qsqr=output SPAN(sqr of percentage)+output LRV

what is droop mode n frequency mode in wood ward governor?

1 Answers   TATA,

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what is the formula for changing Range of Transmitter from X mmwc to some Y mmwc with respect to DCS NCMH flow range from x NCMH to y NCMH?

1 Answers   HCL,

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a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

0 Answers   L&T,

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How is automatic reference junction compensation carried out in temperature recorders?

0 Answers  

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How much should be the values and/or percentages of these given below factors for a good controller ? Steady state error Delay Rise Time Overshoot Peak Time Settling Time Damping Oscillations & vibrations thanks

1 Answers  

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how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

0 Answers  

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What is surge and how is it prevented.

1 Answers   ADMA OPCO,

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What is loop checking ?

10 Answers   Kharafi National, Petrofac, Samsung,

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What is DCS and PLC scanning time?

5 Answers  

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how to set calibration range in a DP transmitter to measure level for a closed tank and for an open tank,and also please explain me how to set calibration range for a DP flow transmitter in a line ?

1 Answers   CCL Products, IOCL,

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A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

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What is shielding effect?

0 Answers   Process Control Technologies,

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