what is the zero elevation and zero supresstion in level
measurement, how can use it?
Answer Posted / deepan
zero elevation-means lrv(4ma) of the measurement is lower than
zero.ex- (-150 to 500 )mmwc
zero suppression -means lrv(4 ma) is greater than zero
ex-(150 to 500)mmwc
its used in level tx instalation
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Why even multiple power supplu r used in instrumentation system?
How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?
Difference between dcs and plc including date processing and architecture.
what is the diffrence between pressure safety valve & pressure relief valve....pls
I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID
please send me the inteview questions in IOCL
how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
Define cryogenic?
all types of liquid analyzer principle with drawing?
what is the criteria to decide conductor size of a cable ?
What is Positive Calibration and Negative Calibration?
please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...
please send the drdo exam paper
what is isloted barrier how it works and what are the main purpose.how it make safe area.