DSO Series: Model DSO Nano (DSO211) DSO Note II (DSO202) DSO 212 DSO Quad (DSO203) MCU STM32F103VC STM32F303VC STM32F303VC STM32F103VE ADC MCU internal ADC MCU internal ADC MCU internal ADC AD9288 Channels Analog channel 1 + 1 internal channel 2 analog 2 analog 2 analog, 2 digital Analog Bandwidth 200KHz 1MHz 1MHz 8MHz Max Sample Rate 1MSa/s 10MSa/s 10MSa/s 72MSa/s Maximum Memory Depth 8K 8K 8K 4K Horizontal Sensitivity 1uS/Div~2S/Div(1-2-5sequence step) 1uS/Div~2S/Div(1-2-5sequence step) 1uS/Div~2S/Div(1-2-5sequence step) 0.1uS/Div~1S/Div(1-2-5sequence step) Vertical Sensitivity 20mv/Div~10V/Div(1-2-5sequence step) 20mv/Div~10V/Div(1-2-5sequence step) 20mv/Div~10V/Div(1-2-5sequence step) 50mv/Div~10V/Div(1-2-5sequence step) Input Resistance 1MΩ 1MΩ 1MΩ 1MΩ Coupling DC / AC DC / AC DC / AC DC / AC Auto Adjustment Mode AUTO_FIT AUTO_FIT AUTO_FIT NO Calculation Waveforms -A, RecA, A + RecA -A,-B,A+B,A-B RecA,RecB,RecC -A,-B,A+B,A-B RecA,RecB,RecC -A,-B,A+B,A-B RecA,RecB,RecC Storage 8MB USB flash disk memory 8MB USB flash disk memory 8MB USB flash disk memory 8MB USB flash disk memory APP Installed 1 2 2 4 Operation buttons button,touch area buttons,scrollers buttons,scrollers USB Interface Micro USB Micro USB Micro USB Mini USB Battery 500mAh 500mAh 500mAh 1000mAh Screen Size 2.8inch 2.8inch 2.8inch 3.0inch Screen Resolution 320 × 240 320 × 240 320 × 240 400 × 240 Open Source Application layer Open-Source APPLICATION 1. Outdoor maintenance (AC / DC switching power supply or inverter, elevator and building fire-fighting equipment, industrial control circuit, etc...) 2. Hardware maintenance or software debugging of RS232, RS485, I2C, CAN and other communications interface circuits, LED display and keyboard scan driver circuit, brushless motor drive circuit 3. Analyze audio devices and circuits, electronic toys and remote control models, automotive electronics circuits 4. Academic use provided practice for student development of small electronic production 5. Observe signal changes in certain circuits (such as relay and switch contacts jitter, battery charge and discharge curve, the load transient response power supply, temperature sensor characteristic measurement, etc...) 6. Power supply related electronic circuits (SCR voltage regulation, power factor correction, electronic energy-saving lamps, sodium lamps, dysprosium lamp mercury xenon lamps lamp drive circuit, etc...) WHAT'S IN THE PACKAGE 1x DS211 Digital Oscilloscope Device 1x Probe (X1) 1x Allen key 1x Self-printed paper manual
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