Dual Display Digital Multimeter    GDM-8245 (50000 Counts) FEATURES： 50000 counts DMM Multi-function ACV, DCV, ACA, DCA, R, C, Hz,  Continuity Beeper,  Diode Test, Max/Min, REL, Hold,  dBm Dual Display Indicate ACV and Hz or DCV(ACV) and  dBm Manual or Autoranging 0.03% DCV Accuracy 20A High Current Range 1200V High Voltage Range AC True RMS or AC + DC True RMS Data Sheet   User Manual        SPECIFICATIONS       DC Voltage        Range 500mV, 5V, 50V, 500V, 1200V 5 ranges        Accuracy +(0.03% rdg + 4 digits), 1200V range +(0.03% rdg + 9 digits)        Input Impedance 10MΩ       AC Voltage True RMS (AC or AC + DC True RMS)        Range 500mV, 5V, 50V, 500V, 1000V 5 ranges        Accuracy 500mV ~ 50V 3 range 20Hz ~ 45Hz:+(1% rdg + 15 digits)     45Hz ~ 2kHz:+(0.5% rdg + 15 digits)     2kHz ~ 10kHz:+(1% rdg + 15 digits)     10kHz ~ 20kHz:+(2% rdg + 30 digits)     20kHz ~ 50kHz:+(5% rdg + 30 digits)   500V, 1000V 2 range 45Hz ~ 1kHz:+(0.5% rdg + 15 digits)        Input Impedance 10MΩ       DC Current        Range 500µA, 5mA, 50mA, 500mA, 2000mA, 20A 6 ranges        Accuracy 500µA ~ 500mA 4 range:+(0.2% rdg + 2 digits) 2000mA ~ 20A 2 range:+(0.3% rdg + 2 digits)       AC Current True RMS (AC or AC + DC True RMS)        Range 500µA, 5mA, 50mA, 500mA, 2000mA, 20A 6 ranges        Accuracy 500µA ~ 500mA 4 range 45Hz ~ 2kHz:+(0.5% rdg + 15 digits)        2kHz ~ 10kHz:+(1% rdg + 15 digits)       10kHz ~ 20kHz:+(2% rdg + 15 digits)    2000mA ~ 20A 2 range 45Hz ~ 2kHz:+(0.5% rdg + 15 digits)       Resistance        Range 500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 20MΩ 6 ranges        Accuracy 500Ω range:+(0.1% rdg + 4 digits)   5kΩ~ 500kΩ 3 range:+(0.1% rdg + 2 digits)   5MΩ range:+(0.2% rdg + 2 digits)   20MΩ range:+(0.3% rdg + 2 digits)       Diode Test The one ranges can check the forward voltage of diode. Maximum forward voltage 1.5V. open voltage 2.8V.       Capacitance        Range 5nF, 50nF, 500nF, 5µF, 50µF 5 ranges        Accuracy +(2% rdg + 4 digits)       Frequency        Sensitivity   mV range:>120mV (10Hz ~ 50kHz)                  >200mV (50k ~ 150kHz) 5V range:>1V (10Hz ~ 200kHz) 50V range:>1.2V (20Hz ~ 200kHz) 500V range:>12V (20Hz ~ 1kHz)       Continuity Beeper < 5Ω       NMRR > 60dB       CMRR > 90dB       Operating Mode Auto Range / Manual       Other Functions Max, Min, dBm (63.8dBm ~ -97.7dBm), REL, Hold       Display Dual Display 0.4", 0.5", 7 segment LED display       Power Source AC 115V/230V +15%, 50/60Hz       Accessories Instruction manual x 1, Power cord x 1, Test lead GTL-117 x 1       Dimensions & Weight 251(W) x 91(H) x 291(D) mm, Approx. 1.86kg