Milwaukee Instruments
Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter
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Best Ph Meters · head-to-head
Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 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.
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VIVOSUN
VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics
$8.55
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter | VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics |
|---|---|---|
| US price | — | $8.55 |
| Brand | Milwaukee Instruments | VIVOSUN |
| Released | — | — |
| Ph range | -2.00 to 16.00 pH | 0.00 to 14.00 |
| Resolution ph | 0.01 pH | 0.01 pH |
| Accuracy ph | ±0.02 pH | ±0.01 pH |
| Calibration points | Automatic, 1 or 2 points | 3-point (calibration buffer powders included) |
| Atc | Automatic, 0 to 70°C | Yes |
| Electrode type | SE220 gel-filled double-junction lab-grade pH electrode + MA831R temperature probe (both included) | — |
| Waterproof rating | — | — |
| Battery type | 1 x 9V, approx. 300 hours continuous use | 2 x 1.5V button cell (built-in) |
Sources — Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter: milwaukeeinstruments.eu (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 Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter and VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Ph range: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter -2.00 to 16.00 pH vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 0.00 to 14.00
- Accuracy ph: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter ±0.02 pH vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics ±0.01 pH
- Calibration points: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Automatic, 1 or 2 points vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 3-point (calibration buffer powders included)
- Atc: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter Automatic, 0 to 70°C vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics Yes
- Battery type: Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter 1 x 9V, approx. 300 hours continuous use vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics 2 x 1.5V button cell (built-in)