DSO138 Fully Assembled Digital Oscilloscope 2.4 inch TFT LCD Display Probe Test Clip Acrylic Case Oscilloscope DIY KIT
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Specifications
- Brand Name
- NONE
- Model Number
- DSO138
- High-concerned chemical
- None
- Origin
- Mainland China
- Condition
- New
- Type
- Voltage Regulator
- Choice
- yes
- semi_Choice
- yes
Product Description
This kit uses ARM Cortex-M3 processor, and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.
Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.
Adjustable vertical displacement, and with instructions.
With automatic, regular and single 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.
With 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.
TFT controller recognition function.
Specifications:
Maximum Real-time Sampling Rate: 1Msps.
Accuracy: 12Bit.
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.
PCB size: 117x76mm.
Screen size: 52x40mm.
Color: red, light yellow.
Pros & Cons
Pros
- Compact, portable design with a small 2.4-inch display for on-the-go testing
- Versatile functionality that supports secondary development into additional test tools
- Includes all necessary components for immediate use
- Affordable entry-level oscilloscope option for hobbyists and students
Cons
- Limited measurement capabilities compared to professional-grade oscilloscopes
- No official brand certification, so long-term reliability may vary
- Acrylic case is prone to scratching if not handled carefully
- No included power adapter, so users must supply their own power source
Common Questions
What materials are used in this oscilloscope kit?
The kit includes a 2.4-inch TFT LCD display, acrylic case, test probe clip, and ARM Cortex-M3 processor components made of standard electronic and plastic materials.
What is the display size of this oscilloscope?
It features a 2.4-inch color TFT LCD display screen, per the product description and specs.
What can this oscilloscope be used for beyond basic voltage testing?
It can be used as an ARM test development board, and modified into a millivoltmeter or data logger via secondary development, per the product details.
Is this oscilloscope fully assembled, or does it require DIY assembly?
While marketed as a DIY kit, the unit is fully assembled and ready for use right out of the box; it can also be used as a base for custom secondary development projects.
What is included in the DSO138 oscilloscope kit?
The package includes the fully assembled oscilloscope unit, 2.4-inch TFT display, test probe clip, and acrylic case, per the product description.
Product information last updated on December 3, 2025