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This DSO138 Digital Oscilloscope Kit adopts ARM Cortex-M3 processor and with 2.4 inch TFT screen. It's easy and reliable for circuit operation. It can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.

ARM Cortex-M3 Processor (STM32F103C8)

2.4 inch color TFT display screen included, the kit can be used as ARM test development board. And can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.

Automatic, Regular and One-shot Modes

Easy to capture the moment waveform. Available rising or falling edge trigger, observable previous trigger waveform (negative delay). Can freeze at any time waveform display (HOLD function). Comes 1Hz /3.3V square wave test signal source.

Waveform Parameter Digital Display

Including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.

Waveform Storage Function

Will not lose the waveform after power off.

Short-circuit and Open-circuit Detection

Can help the user find out the soldering error.

Other Functions

TFT controller recognition function.


Model DSO138
Maximum Real-time Sampling Rate 1Msps
Accuracy 12 Bit
Sampling Buffer Depth 1024 bytes
Analog Bandwidth 0-200KHz
Vertical Sensitivity 10mV / Div – 5V / Div (1-2-5 progressive manner)
Input Impedance 1MΩ
Maximum Input Voltage 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Coupling Modes DC / AC / GND
The Horizontal Time Base Range 10μs / Div – 50s / Div (1-2-5 progressive manner)
Supply Voltage DC 9V
Package Contents 1 x DSO138 Soldered Oscilloscope Kit, 1 x Probe, 3 x User Manuals

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