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Apera Instruments
Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester
$110
Best Ph Meters · head-to-head
Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester vs Bluelab pH Pen
A sourced, side-by-side comparison. Bluelab pH Pen is cheaper at $99. Every spec and price links to its source.
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Bluelab
Bluelab pH Pen
$99Cheaper
Which is better: the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester or Bluelab pH Pen?
On the specs we track, they're closely matched. The Bluelab pH Pen is the cheaper at $99.
See Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester on Amazon See Bluelab pH Pen on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester | Bluelab pH Pen |
|---|---|---|
| US price | $110 | $99 |
| Brand | Apera Instruments | Bluelab |
| Released | — | — |
| Ph range | -2.00 to 16.00 pH | 0.0 to 14.0 |
| Resolution ph | 0.01 / 0.1 pH (selectable) | 0.1 |
| Accuracy ph | ±0.01 pH ±1 digit | ±0.1 at 25°C/77°F |
| Calibration points | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder |
| Atc | Automatic, 0 to 50°C (32 to 122°F) | Yes, fully temperature compensated |
| Electrode type | Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte | Double-junction pH probe |
| Waterproof rating | IP67, floats | Waterproof; floats in any solution |
| Battery type | 4 x AAA (DC3V), up to 2000 hours continuous use | 1 x AAA alkaline |
Sources — Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester: aperainst.com (verified 2026-08-12). Bluelab pH Pen: bluelab.com (verified 2026-08-12).
What's the difference between the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester and Bluelab pH Pen?
Where the two actually differ on the specs we track (8 of 8). Matching specs are omitted.
- Ph range: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester -2.00 to 16.00 pH vs Bluelab pH Pen 0.0 to 14.0
- Resolution ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 0.01 / 0.1 pH (selectable) vs Bluelab pH Pen 0.1
- Accuracy ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ±0.01 pH ±1 digit vs Bluelab pH Pen ±0.1 at 25°C/77°F
- Calibration points: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 vs Bluelab pH Pen Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder
- Atc: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester Automatic, 0 to 50°C (32 to 122°F) vs Bluelab pH Pen Yes, fully temperature compensated
- Electrode type: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte vs Bluelab pH Pen Double-junction pH probe
- Waterproof rating: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester IP67, floats vs Bluelab pH Pen Waterproof; floats in any solution
- Battery type: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 4 x AAA (DC3V), up to 2000 hours continuous use vs Bluelab pH Pen 1 x AAA alkaline