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RECORDERS.ppsx (Size: 618.48 KB / Downloads: 69)
A recorder records electrical and non-electrical quantities as a function of time.
Currents and voltage can be recorded directly while any non-electrical quantities are recorded indirectly by using sensors or transducers.
A graphic recorder defined as an instrument , which draws a graph that relates two or more variables to time or to each other.
Basic elements include :
-A paper chart: displaying & storing
-Stylus: writing instrument
-Suitable means of interconnection.
Types of graphic recorders:-
-Strip chart recorders