Answer / abdul rehman

ILD stands for Instrument Loop Diagram. It shows connection
from field instrument(s) to Junction Box then Marshalling
Cabinet and finally system cabinet (control system like
DCS / PLC etc)and its workstation graphic address.

what do you mean by CJC (cold junction compensation).?

5 Answers   Jindal,

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Possible cause of IOP alarm in a DP transmitter: a: IOP-minimum b: IOP-Maximum

4 Answers  

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how we can calibrate split range control valve?

1 Answers  

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What is the difference between precision and repeatability of any instrument. Why it is measured always in percentage

2 Answers  

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what is the difference in Kg/cm2 and mmwc?

2 Answers   Niko,

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capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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How will you calibrate an interface level trol/normal level trol in line and in w/s?

1 Answers   CCIE,

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Q- What are the application in which PNP transistor is preferred over NPN ?

0 Answers  

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

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what is diff b/w neutron and ground?

3 Answers  

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What is the function of a diaphagram

5 Answers  

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What is the cascade control system and where is use in power plant give the detail with block diagram

1 Answers  

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