123B/124B/125B End users Guide The Meter Recorder helps make the Test Resource act as a paperless recorder that collects a series of parameter measurements with time and reveals The end result to be a graph or possibly a development-line on monitor. This is certainly most helpful to..Th?ng kê x? s? mi?n B?c Th?ng kê x? s? mi?n Nam Th?ng kê x? s?