... including DCV/ACV,DCI/ACI,Ω2W/Ω4W,Frequency/period,Diode Test /Continuity,dB/dBm, cover all basic measurement needs.Many new ... measurement rate. The SMD in the meter reduces the system density and volume.TH1961 bench multimeter adopts special input over load protect ... 232 Interfaces with universal communication software are used in the meter for easy communication, data analysis and statistics as well ...