A very low-priced 3-in-1 at 50 MHz, a good first scope for repairs.
Amazon $89.99The Zoyi ZT-703S is the better oscilloscope overall, rated 3.2 to 2.7. The Zoyi ZT-703S leads on value and features. The Rigol DS1054Z wins on sample rate. The Zoyi ZT-703S costs $279.01 less ($89.99 vs $369).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A long-time hobbyist favorite for four-channel work, but newer 12-bit scopes now cost about the same.
Amazon $369Which should you buy?
- Choose the Zoyi ZT-703S for value ($1.80 per MHz ($89.99, 50 MHz claimed) vs $7.38 per MHz ($369, 50 MHz claimed)) and features (built-in multimeter, signal generator, built-in battery vs serial bus decoding, four channels).
- Choose the Rigol DS1054Z for sample rate (1 GSa/s sampling vs 280 MSa/s sampling).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 50 to 99 mhz oscilloscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | Zoyi ZT-703S | Rigol DS1054Z |
|---|---|---|
| Overall rating | 3.2/5 | 2.7/5 |
| Value 30% | 65 $1.80 per MHz ($89.99, 50 MHz claimed) | 4 $7.38 per MHz ($369, 50 MHz claimed) |
| Bandwidth 20% | 45 50 MHz claimed bandwidth | 45 50 MHz claimed bandwidth |
| Sample rate 10% | 47 280 MSa/s sampling | 81 1 GSa/s sampling |
| Memory 10% | 50 memory depth not published (neutral score used) | 93 24 Mpts of memory |
| Features 20% | 50 built-in multimeter, signal generator, built-in battery | 30 serial bus decoding, four channels |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Zoyi ZT-703S | Rigol DS1054Z | |
|---|---|---|
| Scope | ||
| Claimed bandwidth | 50 MHz | 50 MHz |
| Sample rate | 280 MSa/s | 1 GSa/s |
| Channels | 2 | 4 |
| Memory depth | - | 24 Mpts |
| Serial decode | No | Yes |
| Extras | ||
| Multimeter | Yes, 19,999 counts | - |
| Signal generator | Yes | - |
| Build | ||
| Type | Handheld | Bench |
| Display | 3.5 in | - |
| Built-in battery | Yes, 3,400 mAh | - |
