Best Ph Meters · head-to-head

Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics

A sourced, side-by-side comparison. VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics is cheaper at $8.55. Every spec and price links to its source.

Which is better: the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester or VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics?

On the specs we track, they're closely matched. The VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics is the cheaper at $8.55.

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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 VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics
US price $110 $8.55
BrandApera InstrumentsVIVOSUN
Released
Ph range -2.00 to 16.00 pH 0.00 to 14.00
Resolution ph 0.01 / 0.1 pH (selectable) 0.01 pH
Accuracy ph ±0.01 pH ±1 digit ±0.01 pH
Calibration points Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 3-point (calibration buffer powders included)
Atc Automatic, 0 to 50°C (32 to 122°F) Yes
Electrode type Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte
Waterproof rating IP67, floats
Battery type 4 x AAA (DC3V), up to 2000 hours continuous use 2 x 1.5V button cell (built-in)

Sources — Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester: aperainst.com (verified 2026-08-12). VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics: amazon.com (verified 2026-08-12).

What's the difference between the Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester and VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics?

Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.

  • Ph range: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester -2.00 to 16.00 pH vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 0.00 to 14.00
  • Resolution ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 0.01 / 0.1 pH (selectable) vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 0.01 pH
  • Accuracy ph: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester ±0.01 pH ±1 digit vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics ±0.01 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 VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 3-point (calibration buffer powders included)
  • Atc: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester Automatic, 0 to 50°C (32 to 122°F) vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics Yes
  • Battery type: Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester 4 x AAA (DC3V), up to 2000 hours continuous use vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 2 x 1.5V button cell (built-in)

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