123B/124B/125B Consumers Guide The Meter Recorder will make the Check Instrument work as a paperless recorder that collects a series of parameter measurements eventually and displays The end result like a graph or a pattern-line on display. This is often most beneficial to..- Xem d? ?oán b?ch th? 2 s? cu?i c?a các gi?i ??c bi?t và gi?i 8 c?a c�