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Sir, my yokugava FF TYPE LEVEL transmitter us bad, i don't have spares available, i want to replace it with a Rosemount FF transmitter, please tell me what procedure to be followed and what changes to be done in dcs part.
1 3633In my plant I want to mount a steam flow transmitter .Flow nozzel is already mounted in steam line .So how can i know the range to put in flow transmitter?
1 2554Can we get the outpot in c without using getch fiction? Answer is yes but output will stay on display 4 only few second.... But can we get output without using getch and also output will hold on the display...?
1 2832Why we. Don't measure current in parallel? Why we measure current in series and why we measure voltage in parallel only?
2 5388I have one problem for masoneilan displacer type LT.I give some imformation in data shéet given for liquid level range 0 to 600 mm and sg .955 problem is 0% is ok 25%(23%) or 50%(48%)and 75%(73%) and 100% is ok this is up value and down value all ok so please halpe me
2 5198How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?
2405my temperature transmitter in field showing 700 degree , whereas in dcs showing 459 degree, how to resolve this?
ONGC,
4 6637Yokogawa mass flow meter shows negative reading...what r the main causes for this problem?...
IOCL,
3 10245In bimetallic temp. Gauges why does metal strip bend? Why do we use low expansion factor metal and high expansion factor metal in bimetaliv strip?
1 3079In control valves (like feed water control valve) we will give 3 kg pressure and how it controls 110 kg of water pressure?
SSL,
4 5637Post New Instrumentation Questions
flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
Emergency Shutdown Systems/ Plant Shutdown System.
What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)
can u briefly explain aboutan aryton shunt multirange DC ammeter?
dear friends, i have seen flow as the selection critriea in presure guage (bourdon tube) and i would like to know what is the relation between flow and performance of pressure guage other parameters i found in the data sheet are pressure max. 1ksc temperature max. - 50 deg c line size - 80NB operating range - 1ksc pr. guage range - 0-2 ksc thank u,
What is stripper & spilitter ? Diffrence in this.?
how to calculate signal cable sizing? and multipair cable sizing??explain in brief?
What are different types of orifice plates?
Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?
I have completed B.E. Instrumentation & control in 2009. i have 3 year industrial job experience in chemical plant.now, I want to join M.E. in external. so, Plese say easiet way and good institute name.
What is the use of temperature compensation?
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How we connect a instrument with ground, Give brief explanation with help of diagram?
We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.
please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...
