Apera PH60
#2 in Pen testersFull review
The pick for most people who want an accurate pen tester: ±0.01 pH, three-point calibration and a replaceable probe at pen-tester money.
Amazon $79.99$79.99
±0.01 pH3-pointNone
3.7/5
A low-cost grower’s pen with a replaceable probe. Its maker publishes little beyond the accuracy claim.
- ±0.01 pHAccuracy
- IP67Waterproof
- YesReplaceable probe
Check price at Amazon$65.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Claims ±0.01 pH accuracy at a low price
- Replaceable probe and IP67 housing
Cons
- Range, calibration points and warranty are unpublished
- Ships with calibration powder rather than ready-mixed buffers
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 | VSE-ALP30 |
|---|---|
| pH measurement | |
| Accuracy | ±0.01 pH |
| Temperature compensation | Yes |
| Other readings | |
| Conductivity (EC/TDS) | No |
| ORP | No |
| Salinity | No |
| Build | |
| Replaceable probe | Yes |
| Waterproof rating | IP67 |
Alternatives in this type
Oakton pHTestr 30
#3 in Pen testersFull review
A lab-brand pocket tester with a replaceable module, for labs and schools that already stock Oakton parts.
Amazon $136.22$136.22
±0.01 pH3-pointNone
Extech ExStik II PH100
#5 in Pen testersFull review
A pen with a flat electrode for checking cheese, meat, paper or wet surfaces as well as liquids.
Amazon $129.50$129.50
±0.01 pHNone
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