Independente · com fontes · Atualizado 2026-08-12
Best Ph Meters (2026)
12 produtos comparados pelas especificações que importam e pelo preço nos EUA — do mais barato ao mais caro. Cada especificação e preço remete à sua fonte e à data da coleta.
Os melhores pelos números
Vencedores objetivos — cada um lidera em uma especificação medida, com o número. Sem classificação subjetiva.
- Menor preço: VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics ($8.55)
Comparação
| # | Ph Meters | Preço | ph range | resolution ph | accuracy ph | calibration points | atc | electrode type | Fonte |
|---|---|---|---|---|---|---|---|---|---|
| 1 | VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics | $8.55 | 0.00 to 14.00 | 0.01 pH | ±0.01 pH | 3-point (calibration buffer powders included) | Yes | — | amazon.com |
| 2 | Hanna Instruments HI98103 Checker pH Tester | $46.99 | 0.0 to 14.0 pH | 0.1 pH | ±0.2 pH at 25°C/77°F | Automatic, 1 or 2-point | — | HI1271 pH electrode, tapered design, 103mm long x 8mm diameter at sensing end | hannainst.com |
| 3 | Hanna Instruments HI98107 pHep pH Tester | $64.99 | 0.0 to 14.0 pH | 0.1 pH | ±0.1 pH at 25°C/77°F (Hanna's own spec table separately lists ±0.2 pH; the narrative accuracy claim ±0.1 pH is used here) | Automatic, 1 or 2-point, using standard buffers 4.01/7.01/10.01 | Automatic, 0 to 50°C | Cloth-junction pH electrode (larger surface area than a standard ceramic junction) | hannainst.com |
| 4 | Bluelab pH Pen | $99 | 0.0 to 14.0 | 0.1 | ±0.1 at 25°C/77°F | Two-point (pH 7.0 and pH 4.0 solutions), with a built-in 30-day calibration reminder | Yes, fully temperature compensated | Double-junction pH probe | bluelab.com |
| 5 | Apera Instruments PH60 Premium Series Waterproof Pocket pH Tester | $110 | -2.00 to 16.00 pH | 0.01 / 0.1 pH (selectable) | ±0.01 pH ±1 digit | Automatic, 1 to 3 points; auto-recognizes buffers 1.68, 4.00, 7.00, 10.01, 12.46 | Automatic, 0 to 50°C (32 to 122°F) | Replaceable single-junction ceramic pH probe, lead-free lithium-based glass bulb membrane, Ag/AgCl reference, KCl gel electrolyte | aperainst.com |
| 6 | Extech PH100 ExStik II Waterproof pH Meter | $124 | 0.00 to 14.00 pH | 0.01 pH | ±0.01 pH | — | Yes, automatic | Flat-surface electrode (rated for liquids, semi-solids, and solids) | extech.com |
| 7 | Oakton pHTestr 10 Waterproof BNC Pocket pH Tester (WD-35634-14) | $169.3 | — | — | — | Three-point, push-button calibration with auto-buffer recognition | — | Replaceable BNC pH probe | amazon.com |
| 8 | Atlas Scientific pH Kit (KIT-101P) — EZO pH Circuit + Gen 3 Lab Grade Probe | $174.99 | 0 to 14 pH | 0.001 pH | ±0.002 pH (probe reading accuracy) | Up to 3-point; kit includes 6x 20ml calibration solution pouches (2x pH 4, 2x pH 7, 2x pH 10) | — | Double-junction Ag/AgCl Gen 3 Lab Grade pH probe (BNC connection to EZO pH circuit board) | atlas-scientific.com |
| 9 | Apera Instruments PC60 Premium Series Multiparameter (pH/EC/TDS/Salinity/Temp) Pocket Tester | $180 | -2.00 to 16.00 pH | 0.01 / 0.1 pH | ±0.01 pH ±1 digit | Automatic, 1 to 3 points | Automatic, 0 to 50°C (32 to 122°F) | Replaceable combo probe: lithium glass pH sensor + platinum-black conductivity sensor | aperainst.com |
| 10 | Hach Pocket Pro+ pH Tester (9531000) | $199.5 | — | — | — | — | — | — | amazon.com |
| 11 | YSI pH100A Handheld pH Meter Kit (1m probe) | $583.95 | -2.00 to 16.00 | 0.01 pH | ±0.1% ±2 least significant digits (LSD) | Automatic 2-point, auto-buffer recognition (4.01/7.00/10.01 or 4.00/6.86/9.18) | Yes, both manual and automatic temperature compensation | Combination pH/temperature probe on a 1m (3'3") Y-cable | amazon.com |
| 12 | Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter | — | -2.00 to 16.00 pH | 0.01 pH | ±0.02 pH | Automatic, 1 or 2 points | Automatic, 0 to 70°C | SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included) | milwaukeeinstruments.eu |
As especificações são as publicadas pelo fabricante; os preços são o preço sugerido de lançamento nos EUA.
Como compilamos isto
Twelve pH meters/testers verified 2026-08-12 directly against manufacturer product pages (Apera Instruments, Hanna Instruments, Bluelab, Milwaukee Instruments EU, Extech, Atlas Scientific) and, where manufacturer pages were unreachable or lacked full specs, corroborating current retail listings (Amazon) for Oakton, VIVOSUN, Hach, and YSI; two seed items could not be verified as real, currently-sold products — Dr.Meter's own site no longer lists a "PH100" (its pH-meter collection now shows only the "PH838" model, with no PH100 found on the manufacturer site, Amazon, or elsewhere) and HoneForest's Amazon catalog contains only a HoneForest-branded TDS/EC meter, no pH tester — so both were dropped and replaced with two verified, real, currently-sold pocket/portable pH meters (Atlas Scientific pH Kit KIT-101P and YSI pH100A) to keep the roster at 12 confirmed SKUs; fields left null (rather than guessed) wherever no fetched source stated that value, including Milwaukee MW102's US price (only its EU distributor price in EUR was found) and several Amazon-only listings (Oakton, Hach) whose spec sheets are not reproduced in the retail listing itself.