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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 Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter
A sourced, side-by-side comparison. Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester is cheaper at $110. Every spec and price links to its source.
Milwaukee Instruments
Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter
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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 | Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter |
|---|---|---|
| US price | $110 | — |
| Brand | Apera Instruments | Milwaukee Instruments |
| Released | — | — |
| Ph range | -2.00 to 16.00 pH | -2.00 to 16.00 pH |
| Resolution ph | 0.01 / 0.1 pH (selectable) | 0.01 pH |
| Accuracy ph | ±0.01 pH ±1 digit | ±0.02 pH |
| Calibration points | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Automatic, 1 or 2 points |
| Atc | Automatic, 0 to 50°C (32 to 122°F) | Automatic, 0 to 70°C |
| Electrode type | Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte | SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included) |
| Waterproof rating | IP67, floats | — |
| Battery type | 4 x AAA (DC3V), up to 2000 hours continuous use | 1 x 9V, approx. 300 hours continuous use |
Sources — Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester: aperainst.com (verified 2026-08-12). Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter: milwaukeeinstruments.eu (verified 2026-08-12).
What's the difference between the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester and Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Resolution ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 0.01 / 0.1 pH (selectable) vs Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 0.01 pH
- Accuracy ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ±0.01 pH ±1 digit vs Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter ±0.02 pH
- 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 Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Automatic, 1 or 2 points
- Atc: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester Automatic, 0 to 50°C (32 to 122°F) vs Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Automatic, 0 to 70°C
- 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 Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included)
- Battery type: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 4 x AAA (DC3V), up to 2000 hours continuous use vs Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 1 x 9V, approx. 300 hours continuous use