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hello dear i have faced problem in drum level transmitter. the problem is when i engrize the meter meter shows 100% but the actual level 40 or something plz suggest me
7 9663Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?
1894Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?
1 3955Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
2221i install a DP transmitter of Faugi on drum level of boiler but i face a problem in it when i engergize the transmitter the meter shows 0 or 100% no variation in it.the distance of two points is 19.5 inches, i am in trouble please suggest me what can i do it's very urgent Please reply me as soon as possible Best regards ikraam haider
5 8077when we are using HART COMMUNICATOR why we are using 250 ohm resistance while using HART COMMUNICATOR.
7 18944what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.
2056A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed
1 3870Post New Instrumentation Questions
what does it mean an active front end in vfd plz explain it briefly
where cascade loop use ?
principle of dead weight tester ?
Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell
Explain the working principle of lvdt?
use of split range ? where it is used ? in which control loop it is used ?
what is function of sensor, and how is it work , explain with difination
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)
What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?
Describe a time when you anticipated potential problems and developed preventive measures.
is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?
Name different parts of a pressure gauge.
What is frequency factor in massflow meter? When using frequency output?
