what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
1617It is desired to reduce effect of 50Hz pick up in a thermocouple measurement. If a third order LP filter is used for this, what should be its cut off frequency, if gain should be 0.001 at 50Hz.
1 3183What is sensitivity of K type thermocouple? Is polarity important in thermocouple connections?
3 9441What is an instrumentation amplifier? How is it better than a differential amplifier when handling outputs from a wheatstone's bridge?
2 5886please give me combustion cntrl interlock details? if possidle drawing also?for this one is there any website ?
1 3424what is procedure of calibration of remote seal transmiter, botom to top flanch 850mm, fluid liquid density .73, transmiter fixed on a fractionation colum, under vaccume 10mbar
4 6178Post New Instrumentation Questions
how many type conductivity sensor ?
what is piezoelectric transducer?give an example in power plant n state its principle?
Explain about the leakage class of the control valves
CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?
how the arrangement of equipments done in control room
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
How will you calibrate PID controller? explain with example.
can you provide me full detail about instrumentation in ONGC??
I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.
how to calibrate load cell
draw shematic diagram of c/v positioner(smart type)?
(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) 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.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.
Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?
How we calculate orifice plat size???
what would be the minimum flow rate that we can measure on rotameter..?
