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AGPtek > 
Item#: 9SIA0U008M6449

ARM DSO203 Nano V2/Quad Pocket Digital Oscilloscope

  • AGPtek

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


DSO 203 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.


1. Pocket size and light weight

2. Two 72Mhz analog channels and two digital channels

3. Signal Generator

4. Auto Measurement

5. Various Triggering Option

6. Easy waveform storage

7. Firmware upgrade

8. User applications

9. Open source


Analog channel * 2 : [CH_A] [CH_B];

Digital channel * 2 : [CH_C] [CH_D];

Vertical Scale: 20mV-10V/div (x1 probe);

Vertical solution: 8 bit ;

Input coupling: AC/DC ;

Max input voltage: 80Vpp (x1 probe);

Storage: 4K per channel

Software trigger type: edge, pulse, level (to be added)

Hardware trigger type: edge

Trigger source: CH1/CH2/EXT

Test Signal generater: 10Hz to 1Mhz

Storage: internal 2MB USB disk

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: 1kSa/s - 72MSa/S

Power: Lipo battery

Dimension: 98 * 60 * 14.5

Weight: 80g (without battery)

Download list:




App2.35 and Quad

Quad firmware.rar

Save wave for DSOQuad.rar


Package list:

DSO203/Quad with battery x1

mueller mcx osilloscope probe x1

mueller mcx digital probe x1

High Quanlity Mini USB Cable x1


Warranty, Returns, And Additional Information

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3 out of 5 eggsnice unit, very compact, useless

Pros: small unit, very well thought out, worked and provided a signal, 10 on coolness factor, 1 on usefulness factor. Liked the form, and the function, but was just too small to be useful on a daily basis.

Cons: although I got a display of the waveform, all of the functions were so small could not read them without a microscope. waveform was correct, but did not reflect the 20 volts from ground, at least from what I could get onto the screen. The 3 volt waveform was accurately displayed. Not a useful tool, screen just isn't big enough to use except to ball park

Other Thoughts: thought it was bigger, say tablet sized, that would have been awesome!!!!! maybe they'll get it. also no touch screen yet, 5 years and this will be a real deal.

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Home > 
Automotive & Industrial > 
Tools & Equipment > 
Measuring Tools > 
AGPtek > 
Item#: 9SIA0U008M6449
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