G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
G01D15/16—Recording elements transferring recording material, e.g. ink, to the recording surface
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R13/00—Arrangements for displaying electric variables or waveforms
G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records