OWON HDS1021M-Ndigital oscilloscope Product Series : Handheld DSO Main Features- 2 in 1 (DSO + Multimeter)- Auto-scale Function- FFT- 20 group automatic measurement options- Bandwidth : 20MHz- USB data transmission supported- Multimeter newly supported SCPI- Rechargeable Li-ion battery (6 hours' backup)- Waveform record & replayApplicationelectronic circuit debugging circuit testing design and manufacture education and trainingautomobile maintenance and testingPerformance SpecificationsModelHDS1021M-NBandwidth20MHzSample Rate (real time )250mS/sHorizontal Scale (s/div)5ns/div~100s/div, step by 1~2.5~5Rise Time (at input, typical)≤ 17.5nsDisplay3.7 inch color display with TFT panel (640 × 480 pixels, 65535 colors)ChannelsingelInput Impedance1MΩ ± 2%, in parallel with 15pF ± 5pFRecord Lengthmax 6K points on each channelInterpolationsin (x) / xProbe Attenuation Factor1X,10X,100X,1000X Input CouplingDC, AC, and GNDDC Accuracy (average)average >16 : ±(5% reading + 0.05div) for VVertical Sensitivity5mV/div~5V/div (at input)Vertical Resolution (A/D)8 bits (2 channels simultaneously )Max Input Voltage400V (PK - PK) (DC + AC, PK - PK, 1MΩ input impedance, probe attenuation 10 : 1), CAT IITrigger TypeEdge, Video, AlternateTrigger ModeAuto, Normal, SingleTrigger Level±6 divisions from screen centerAcquisition ModeSample, Peak Detect, and AverageDC Gain Accuracy±3%Waveform Math+, -, ×, ÷, invert, FFTWaveform Storage4 waveformsLissajous FigureBandwidthfull bandwidthPhase Difference±3 degreesCommunication InterfaceUSBPower Supply100V-240V AC, 50/60HzLi-ion Battery7.4V, 6 hours operationDimensions (W × H × D)180 × 115 × 40 (mm)Weight (without package)645 g MultimeterSpecificationsFull Scale Reading3 .3/4digits(max4000 count)Diode0V-1.5VInput Impedance10MΩOn/Off Test