Apera SX711 Portable
A strong all-round handheld for brewers, food makers and field labs. It is accurate, logs readings and comes with a long warranty.
Amazon $279$279
±0.01 pH3-pointNone
3.5/5
A solid handheld kit for brewing and field work. The Apera SX711 now does more for less money.
- ±0.01 pHAccuracy
- 3-pointCalibration
- IP57Waterproof
- YesReplaceable probe
Check price at Amazon$305.07
Price checked November 8, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- ±0.01 pH accuracy with three-point calibration
- Electrode on a 3 ft cable is cheap to replace
- IP57 housing handles splashes
Cons
- Doesn’t store readings
- The SX711 adds logging and a longer warranty for less
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | AI411 |
|---|---|
| pH measurement | |
| Accuracy | ±0.01 pH |
| Resolution | 0.01 pH |
| Range | 0 to 14 pH |
| Calibration | 3-point |
| Temperature compensation | Yes |
| Other readings | |
| Conductivity (EC/TDS) | No |
| ORP | No |
| Salinity | No |
| Build | |
| Replaceable probe | Yes |
| Waterproof rating | IP57 |
| Weight | 340 g |
| Meter warranty | 2 years |
| Probe warranty | 6 months |
Alternatives in this type
Bante 220 Portable
A capable logging handheld for the price. Its maker publishes little beyond the core specs.
Amazon $200$200
±0.01 pH3-pointNone
Ohaus Starter ST300
A handheld from a lab-equipment maker, for labs standardised on Ohaus. Other buyers get the same accuracy for less.
Amazon $455.32$455.32
±0.01 pH3-pointNone
Compare
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