# Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics: specs and price compared

A sourced, side-by-side comparison of the Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter (Milwaukee Instruments) and VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics (VIVOSUN) among ph meters.

## Side by side

| Spec | Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter | VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics |
| --- | --- | --- |
| US price | not published | $8.55 |
| Brand | Milwaukee Instruments | VIVOSUN |
| 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) |

## Key differences

- 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)

## Sources

- Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter: https://milwaukeeinstruments.eu/milwaukee-mw102-pro-ph-meter-with-temperature-probe (milwaukeeinstruments.eu, verified 2026-08-12)
- VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics: https://www.amazon.com/VIVOSUN-Meter-Digital-Tester-Water/dp/B01M5IASHD/ (amazon.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/ph-meters/milwaukee-mw102-vs-vivosun-ph-meter/
Cite: Per The Front Desk Review, Milwaukee Instruments MW102 PRO+ 2-in-1 pH and Temperature Meter (not published) vs VIVOSUN Digital pH Meter Pen Tester for Water & Hydroponics ($8.55) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ph-meters/milwaukee-mw102-vs-vivosun-ph-meter/
License: CC BY 4.0.