DS203 (Mini DSO/ DSO Quad) is a pocket size 4 channel digital oscilloscope for common electronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing 72Mhz analog bandwidth with integrated FPGA and high speed ADC. Internal 2MB USB disk could be used to store waveform, user application and upgrade firmware.


  • Pocket size and light weight
  • Two 72Mhz analog channels and two digital channels
  • Signal Generator
  • Auto Measurement
  • Various Triggering Option
  • Easy waveform storage
  • Firmware upgrade
  • User application


  • Analog channel * 2 [CH_A] [CH_B]
  • Digital channel * 2 [CH_C] [CH_D]
  • Vertical Scale 20mV-10V/div (1-2-5 step) on x1 probe / 200mV -100V/div (1-2-5 step) on x10 probe
  • Vertical resolution 8 bit
  • Input coupling AC/DC
  • Max input voltage 80Vpp (x1 probe) / 400Vpp (x10 probe)
  • Storage 4K per channel / 8K on single channel
  • Software trigger type edge, pulse, level (to be added)
  • Hardware trigger type edge
  • Trigger source CH1/CH2/EXT
  • Trigger mode Auto, Normal, Single, SCAN, None
  • Test Signal generator 0Hz to 8Mhz 2.8Vpp Square Wave, duty circle 10~90% adjustable / 10Hz to 20Khz 2.8Vpp Sin, Square, Saw, Triangle wave
  • Storage internal 2MB USB disk, BMP, DAT file
  • Auto measure Vmax, Vmin, Vpp, Vavr, Vrms, Freq, Period, Pulse, Duty
  • Cursor measurement Level, Voltage
  • Display mode CH1, CH2, EXT, CH1+CH2, CH1-CH2, CH1*CH2
  • Sampling mode real time
  • Sampling rate 30S/s – 72MS/s
  •  Power Lipo battery
  • Dimension 98 * 60 * 14.5 (mm)
  • Weight 80g (without battery)
  • Accesories within Pack 2 mcx osilloscope probe, 2 mcx digital probe

Package List

  • DS203 (Mini DSO / DSO Quad) V2.6 X1
  • Probe X2
  • Battery X1
  • Mini USB cable X1
  • Bag X1


SKU IT-IM120723001
Brand Itead

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