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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 3069How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.
2153I 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.
3835regarding 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 7159there 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 5722hi 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 4029What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?
14 135120i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?
2 10955Post New Instrumentation Questions
How to calibrate Field bus transmitter? procedure ?
please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com
How to Calibrate Temperature Switch in field
Why mmwc unit is used?
How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System
please send me the inteview questions in IOCL
how many type of plug are used in pneumatic control valve,name them.
Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer
How the warning lamp of a charging-system is activated ?
when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?
What is instrumentation control?
What is standard procedure of manual mapping in Radar type level transmitter?
hi! i want to know about mpse exam.
define feed forward control loop with example and drawing?
What is the use of control cable?
