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Specification：
Maximum real-time sampling rate: 1Msps
Accuracy: 12 Bit
Sampling buffer depth: 1024 bytes
Analog band width: 0-200KHz
Vertical sensitivity: 10mV / Div – 5V / Div (Progress according to 1-2-5)
Input impedance: 1MΩ
Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Horizontal time base range: 10μs / Div – 50s / Div (Progress according to 1-2-5)
Features:
1. Coupling methods include DC / AC / GND
2. The vertical displacement can be adjusted with instructions
3. With automatic, conventional and single trigger mode, it is convenient to capture instant waveform
4. Trigger on rising or falling edges
5. Trigger level position can be adjusted with indication
6. Observable waveform before trigger (negative delay)
7. Waveform display can be frozen at any time (HOLD function)
8. Comes with 1KHz /3.3V square wave test signal source
Package included:
1 x Oscilloscope DIY Kit
1 x Instruction
Note: This DSO138 Oscilloscope DIY Kit need to be assembled and soldered by yourself.
Bean
Reviewed in the United States on May 9, 2024
Soldered it and it didn’t turn on. Checked it for cold solder joints and everything was soldered. Don’t expect much, but it was still a fun solder kit.
harold swinyer
Reviewed in the United States on March 9, 2024
never worked at all i think the ic chip was bad from the start
Arthur zacchia
Reviewed in the United States on March 9, 2022
Took my time putting it together, but no -5 volts so centered the wave was impossible. Tried to rework it, died after that. In the manual it said that it could be powered on 12 volts, I think that's where the problem started. May get another on use a 9 volt battery with low current and see if the transistors don't burn up. This is a common problem from what I can tell.
John Corbett
Reviewed in the United States on May 21, 2021
For a scope sold for less than $20.00 it was a good value. Being a senior citizen with failing eyesight, it was difficult to read the value on two of the mica caps. In fact, I had my reading glasses on looking through a magnifying glass and I couldn't make the value out. My wife finally was able to identify them and once she did I was able to see for myself -- they looked like they were hand painted on the caps.On the plus side, I had no problem once the power was applied as the unit came right up. I've been in electronics since a teenager (50+ years) and generally there can be gremlins.
Michael H
Reviewed in the United States on March 30, 2021
I wrecked the PCB by desoldering a component without the proper skills so I ripped traces. I was able to repair the damage but I can only get background lighting on the display. So I boght a second one for another try. Very fun kit but not for beginners. I would rate it intermediate to advanced.
Gatsby1923
Reviewed in the United States on January 18, 2021
Was fun to build and it works. I wouldn't recommend it as a first electronics project. While nothing was hard to solder, the board was a bit cramped in places. You'll definitely need a multimeter and a very strong magnifying glass to id all the components.My only criticism is I'd be thrilled if the finished project fit into the plastic case it came in.
Jeffery O.
Reviewed in the United States on April 19, 2021
Lots of noise on the display. now it shows a very low resolution display
Bubs
Reviewed in the United States on August 25, 2020
Excellent
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