123B/124B/125B People Handbook The Meter Recorder helps make the Test Instrument work as a paperless recorder that collects a series of parameter measurements over time and demonstrates The end result like a graph or simply a pattern-line on display screen. This is most handy to..Ch? nh?t: Kiên Giang, Lâm ??ng, Ti?n Giang K?t qu? XSMN ???c s?p x?