... CE certification 4ACV: 5Hz-300kHz; 5.ACI: 5Hz-10kHz Digital multimeter TH1961 is a high speed,high accuracy , 1,199,999 counts meter that ... in the meter reduces the system density and volume.TH1961 bench multimeter adopts special input over load protect circuit which can stand ... displayReading modeSingle display: all measurement parametersDual display: V AC+V DC, I AC+I DC, V AC+Hz, I AC+Hz, Readout+%, ...