How to calibrate a orifice differential pressure flow
transmitter in process?
Answer Posted / ayaz
first communicate ccr tag conform and turn MOS if required
when 5 way manifold
1 hp side close
2 equalizer open
3 lp side close
and then hp and lp drain or vent should be open
the transmitter will show zero if not calibrate it
first adjust the zero
2nd second span check and adjust
and then service
1 drain or vent close
2 equalizer close
3 and then hp side open and lp side open
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
in differential pressure transmitter,min&max pressure range for hp&lp
what are the steps I have to deal with?
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
Capacitance, resistance ( colour coding ), parallel & series circuits.
why using negative supply for bentley nevada vibration system ?
send me HPCL paper
what is The specifications for oriface instalation
please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?
Tr. Wiring for calibration.
What is super thermocoupal?
What are advantages and disadvantage of the ac supply load cell?
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
why Fahrenheit unit of moistur analyzer transmitter