recording instrument in which the chart is a strip driven as a function of time by the chart.driving mechanism, the chart being automatically stored, e.g. on a spool or emerging from the instrument case through a slot, meerik/salvesti, milles andmekanduriks on pabeririba, mida andmekanduri ajamimehanism väljastab ajaliselt, kusjuures mõõdiste graafik salvestatakse automaatselt, nt poolile/rullile või tuleb meeriku/salvesti korpusest välja pilu kaudu.