Product Details
Advanced Accuracy for Confident Brewing
The Milwaukee pH56 PRO is our most accurate handheld pH meter—designed for brewers who want precise data they can trust. With a pH accuracy of ±0.05 and 0.01 pH resolution, this tester provides highly sensitive readings across a broad range, from -2.00 to 16.00. Its automatic temperature compensation and dual-level LCD make it easy to monitor mash and fermentation conditions in real time.
The pH56 PRO is waterproof (IP65-rated), lightweight, and built for brewing environments. It features a replaceable Mi56P double-junction electrode for long life and consistent performance, along with one- or two-point automatic calibration. Whether you're fine-tuning your water chemistry, tracking pH changes during fermentation, or dialing in that perfect sour, the pH56 PRO is the tool of choice for serious homebrewers.
What’s in the Box
- Milwaukee pH56 PRO Tester
- Pre-installed Mi56P pH/Temperature Electrode
- 4 × LR44/A76 Batteries
- Protective storage cap
- User manual
Note: MA9015 storage solution is required and not included for conditioning the electrode before first use.
Milwaukee pH56 PRO Care & Maintenance
- Store the probe in MA9015 storage solution
- Clean with MA9016 cleaning solution between brew days
- Avoid storing in distilled or RO water
- Calibrate before each brew session for optimal accuracy
- Replace the Mi56P electrode when readings become unstable
Milwaukee pH56 PRO Recommended Accessories
- pH Meter Storage Solution
- pH Meter Cleaning Solution
- Buffer Solutions – pH 4.01, pH 7.01
- Mi56P – Replacement Electrode
Milwaukee pH56 PRO Features
| Feature | Details |
|---|---|
| Model | Milwaukee Instruments pH56 PRO |
| pH Range | -2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH |
| Temperature Range | -5.0 to 60.0°C / 23 to 140°F |
| Temp Resolution | 0.1°C / 0.1°F |
| Temp Accuracy | ±0.5°C / ±1.0°F |
| Calibration | Auto, 1 or 2 points with 2 buffer sets |
| Temp Compensation | Automatic |
| Electrode | Replaceable Mi56P (double junction) |
| Battery Life | ~300 hours |
| Auto-Off | After 8 minutes of inactivity |
| Waterproof | IP65-rated |
| Weight | 3.5 oz (99 g) |
California Proposition 65
⚠ Proposition 65 Warning: This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm.
Additional Information
- SKU
40423
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Not sure which Milwaukee pH meter is right for you? Compare the pH54, pH55 PRO, and pH56 PRO in our side-by-side guide to find the best fit for brewing, winemaking, or fermentation.