# Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe: specs and price compared

A sourced, side-by-side comparison of the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester (Apera Instruments) and Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe (Atlas Scientific) 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 | Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe |
| --- | --- | --- |
| US price | $110 | $174.99 |
| Brand | Apera Instruments | Atlas Scientific |
| Ph range | -2.00 to 16.00 pH | 0 to 14 pH |
| Resolution ph | 0.01 / 0.1 pH (selectable) | 0.001 pH |
| Accuracy ph | ±0.01 pH ±1 digit | ±0.002 pH (probe reading accuracy) |
| Calibration points | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Up to 3-point; kit includes 6x 20ml calibration solution pouches (2x pH 4, 2x pH 7, 2x pH 10) |
| 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 | Double-junction Ag/AgCl Gen 3 Lab Grade pH probe (BNC connection to EZO pH circuit board) |
| Waterproof rating | IP67, floats | — |
| Battery type | 4 x AAA (DC3V), up to 2000 hours continuous use | None — EZO circuit is powered by the host carrier/development board, no internal battery |

## Key differences

- Ph range: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester -2.00 to 16.00 pH vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe 0 to 14 pH
- Resolution ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 0.01 / 0.1 pH (selectable) vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe 0.001 pH
- Accuracy ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ±0.01 pH ±1 digit vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe ±0.002 pH (probe reading accuracy)
- 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 Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe Up to 3-point; kit includes 6x 20ml calibration solution pouches (2x pH 4, 2x pH 7, 2x pH 10)
- 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 Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe Double-junction Ag/AgCl Gen 3 Lab Grade pH probe (BNC connection to EZO pH circuit board)
- Battery type: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 4 x AAA (DC3V), up to 2000 hours continuous use vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe None — EZO circuit is powered by the host carrier/development board, no internal battery

## 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)
- Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe: https://atlas-scientific.com/kits/ph-kit/ (atlas-scientific.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/ph-meters/apera-ph60-vs-atlas-scientific-ph-kit/
Cite: Per The Front Desk Review, Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ($110) vs Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe ($174.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ph-meters/apera-ph60-vs-atlas-scientific-ph-kit/
License: CC BY 4.0.