Answer / kashif

Level troll is used for measuring level of one liquid in vessel and interface level troll is used for more than one liquid commonly for two liquid having different S gravitates i.e Water and Condensate.

Answer / faiyaz

its working in the Archimedes principle generally used in closed tank the lose of weight of the body immersed in liquid total liquid equal to the displaced by the body level troll is used in single liquid and interface level troll is used in two liquid that is called level troll and interface level troll

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

1 Answers   KNPC,

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if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

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how to install Differential pressure transmitter in gas line.i need transmitter down side.

7 Answers   Rockwell,

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How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

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Why even multiple power supplu r used in instrumentation system?

1 Answers   Honeywell,

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why we are maintain the gap voltage in vibration probe when installing time can explain me?

1 Answers   CIL,

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what is use single seated and double seated valve?

2 Answers   Doha Petroleum Construction DOPET,

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What is Cavitation?

2 Answers   Gujarat Borosil,

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what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

0 Answers   Accer, Reliance,

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why I need valve guard and whats different between guard and positioner ??

0 Answers  

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how to calculate temp.prapotional to mv in thermocoulpe.

2 Answers   Electronics, KNPC,

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Capacitance, resistance ( colour coding ), parallel & series circuits.

0 Answers   CCIE,

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