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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?
MPL,
1 3057How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.
2139I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.
3827regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?
1 7140there is one orifice plate already installed on 3" line, but my previous engineer(who is not working here) removed that tx, but now i want to take it in to the process, so now what i have to do now? flow fluid is hytherm oil of temp. 260deg & pressure is 3bar.
2 5701hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me "mail2noor.hyd@gmail.com"
1 4017What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?
14 135028i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?
2 10938Post New Instrumentation Questions
Explain the difference between plc and cnc?
Explain signal isolator
What is instrumentation measurement?
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?
how to calibrate corollaries (Mass flow meter)?
POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?
What is the basic difference between Modbus and CAN Open Protocols
Explain the key components of control loop?
why is an oxygen sensor used in a boiler stack
How do you identify an orifice in the pipeline?
How to calibrate Field bus transmitter? procedure ?
What is the purpose of LO Overhead tank in turbines.
What is the difference between ff transmitter and non ff transmitter
key exchanges in wpa,wpa2,tls
what is the importance of CV in the control valves? how it is calculated?
