Uploaded September 2025 | Updated September 2026, 2 weeks ago

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In this video, I did a review and teardown of a FNIRSI DS215H dual channel 50 MHz 250 MSa/s pocket oscilloscope. Product link: https://ban.ggood.vip/1m1dU Coupon code: BG77f685
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00:00 Overview, size comparison
03:00 Power on, basic operations
07:09 Other features
09:38 Waveform acquisition behavior
10:54 AM/FM waveforms
12:46 Bandwidth test
16:28 Single shot
17:24 X-Y mode, Lissajous figures
19:42 Built-in signal generator
21:52 Teardown, conclusions