# Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester vs Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14): specs and price compared

A sourced, side-by-side comparison of the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester (Apera Instruments) and Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) (Oakton Instruments) among ph meters. Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester is the cheaper of the two at $110.

## Side by side

| Spec | Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester | Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) |
| --- | --- | --- |
| US price | $110 | $169.3 |
| Brand | Apera Instruments | Oakton Instruments |
| Ph range | -2.00 to 16.00 pH | — |
| Resolution ph | 0.01 / 0.1 pH (selectable) | — |
| Accuracy ph | ±0.01 pH ±1 digit | — |
| Calibration points | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Three-point, push-button calibration with auto-buffer recognition |
| Atc | Automatic, 0 to 50°C (32 to 122°F) | — |
| Electrode type | Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte | Replaceable BNC pH probe |
| Waterproof rating | IP67, floats | IP67 |
| Battery type | 4 x AAA (DC3V), up to 2000 hours continuous use | — |

## Key differences

- 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 Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) Three-point, push-button calibration with auto-buffer recognition
- 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 Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) Replaceable BNC pH probe
- Waterproof rating: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester IP67, floats vs Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) IP67

## Sources

- Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester: https://aperainst.com/ph60-premium-waterproof-ph-tester-ph-meter-with-replaceable-probe-and-blacklight-apera-instruments (aperainst.com, verified 2026-08-12)
- Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14): https://www.amazon.com/Oakton-WD-35634-14-Waterproof-pHTestr-Pocket/dp/B012BSBPFW/ (amazon.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/ph-meters/apera-ph60-vs-oakton-phtestr-10/
Cite: Per The Front Desk Review, Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ($110) vs Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) ($169.3) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ph-meters/apera-ph60-vs-oakton-phtestr-10/
License: CC BY 4.0.