... DCV/ACV,DCI/ACI,Ω2W/Ω4W,Frequency/period,Diode Test /Continuity,dB/dBm, cover all basic measurement needs.Many ... the meter reduces the system density and volume.TH1961 bench multimeter adopts special input over load protect circuit which ... dioxideMath function%, dBm, RELRangeAuto, ManualDisplayVFD,dual displayReading modeSingle display: all measurement parametersDual display: V AC+V DC, I AC+I DC, ...