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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration
2 9502I have a LT of 10000mmwc range. can i use this LT in 1000mmwc range of tank?? if yes than what happened???
3 7780what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?
3412Post New Instrumentation Questions
How r the calculation of process line mpm.
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.
Do you have reference list?
please send the sample qustion paper for iocl written test ..
How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks
Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?
what is the input to be given in digital flow meter during the the calibration time?
WHAT ARE THE INSTRUMENTAL DIAGRAMSOF VALVES?
How to check vortex flow meter is in good condition while we do not having calibration setup?
what is function of switch, and how is it work, explain with difination
can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).
Emergency Shutdown Systems/ Plant Shutdown System.
What is three element drum level control system why its better than single element?
how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)
CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?
