🔴 How to use the cheap DSO 138 Oscilloscope and how to measure the pure sine wave PLN (grid)

🔴 How to use the cheap DSO 138 Oscilloscope and how to measure the pure sine wave PLN (grid)
An oscilloscope is an electronic measuring instrument that projects the form of an electrical signal so that it can be seen and studied. To buy an oscilloscope is very expensive, to overcome this you can buy a tool with the same function but small for approximately 300 thousand Rupiah including the acrylic casing.
The following is how to use the DSO 138 oscilloscope to measure pure sine wave waves from PLN
Oscilloscope DSO 138:
www.tokopedia....
Acrylic Case
www.tokopedia....
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