Zotek 702S
#3 in Under 50 MHzFull review
The cheapest way into a scope-meter combination, for sensor and low-voltage checks.
Amazon $59.99$59.99
The Zotek 702S and the FNIRSI 2C23T Plus are evenly matched, rated 2.1 and 2.0. The Zotek 702S leads on value. The FNIRSI 2C23T Plus wins on features. The Zotek 702S costs $16 less ($59.99 vs $75.99).
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.
FNIRSI 2C23T Plus
#4 in Under 50 MHzFull review
An entry-level 10 MHz scope-multimeter for car sensors, audio and low-speed circuits.
Amazon $75.99$75.99
Which should you buy?
- Choose the Zotek 702S for value ($6 per MHz ($59.99, 10 MHz claimed) vs $7.60 per MHz ($75.99, 10 MHz claimed)).
- Choose the FNIRSI 2C23T Plus for features (built-in multimeter, signal generator, built-in battery vs built-in multimeter, built-in battery).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 50 mhz oscilloscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | Zotek 702S | FNIRSI 2C23T Plus |
|---|---|---|
| Overall rating | 2.1/5 | 2.0/5 |
| Value 30% | 13 $6 per MHz ($59.99, 10 MHz claimed) | 2 $7.60 per MHz ($75.99, 10 MHz claimed) |
| Bandwidth 20% | 0 10 MHz claimed bandwidth | 0 10 MHz claimed bandwidth |
| Sample rate 10% | 0 48 MSa/s sampling | 0 50 MSa/s sampling |
| Memory 10% | 50 memory depth not published (neutral score used) | 32 32 Kpts of memory |
| Features 20% | 35 built-in multimeter, built-in battery | 50 built-in multimeter, signal generator, built-in battery |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Zotek 702S | FNIRSI 2C23T Plus | |
|---|---|---|
| Scope | ||
| Claimed bandwidth | 10 MHz | 10 MHz |
| Sample rate | 48 MSa/s | 50 MSa/s |
| Channels | 1 | 2 |
| Memory depth | - | 32 Kpts |
| Max input voltage | 400 V | 400 V |
| Serial decode | No | No |
| Extras | ||
| Multimeter | Yes, 9,999 counts | Yes, 9,999 counts |
| Signal generator | No | Yes, up to 2 MHz |
| Build | ||
| Type | Handheld | Handheld |
| Display | 2.8 in | 2.8 in |
| Touchscreen | - | No |
| Built-in battery | Yes, 2,000 mAh | Yes, 3,000 mAh |