EEVblog

EEVblog 1597 – Zoyi ZT-703S $80 2CH 50MHz Oscilloscope/Multimeter Review

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Looking at the new $80 Zoyi/Zotech ZT703S Dual channel 50MHz 25,000 count 0.05% handheld oscilloscope/multimeter compared to the single channel 10MHz 10,000 count ZT702S

ZT-702S review: https://www.youtube.com/watch?v=aUU-PGUnd0E

Forum: https://www.eevblog.com/forum/blog/eevblog-1597-zoyi-zt-703s-$80-2ch-50mhz-oscilloscopemultimeter-review/

Hi-Res photos:

00:00 – The new $80 ZT-703S vs the $60 ZT-702S

03:40 – Power on and screen differences
06:25 – Multimeter
07:49 – The Bargraph is still a complete JOKE
08:50 – Power-off memory test
09:41 – Dumb Arse Dave BRICKS the ZT-702S !
10:23 – The SAME current measurement FAIL
12:19 – 0.05% ?
13:17 – Same BNC connector issue
13:44 – The signal generator is still a joke
15:53 – Trigger level issue FIXED
16:39 – Range overload bug FIXED
19:10 – Teardown
25:07 – Oops…
25:21 – Battery life and current consumption test
26:54 – Conclusion

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EEVblogBy David L. Jones
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