Apera SX711 Portable
A strong all-round handheld for brewers, food makers and field labs. It is accurate, logs readings and comes with a long warranty.
Amazon $279$279
The Apera SX711 Portable is the better ph meter overall, rated 3.8 to 2.4. The Apera SX711 Portable leads on accuracy, features and calibration. The Milwaukee MW100 Pro wins on price. The Milwaukee MW100 Pro costs $120.30 less ($158.70 vs $279).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Milwaukee MW100 Pro
A basic cabled meter for rough checks. Most buyers get better accuracy for less from a pen tester.
Amazon $158.70$158.70
Which should you buy?
- Choose the Apera SX711 Portable for accuracy (±0.01 pH vs ±0.2 pH), features (replaceable probe, automatic temperature compensation, waterproof (IP57), stores readings vs replaceable probe) and calibration (3-point calibration vs 2-point calibration).
- Choose the Milwaukee MW100 Pro for price ($158.70 vs $279).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable meters ph meter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Apera SX711 Portable | Milwaukee MW100 Pro |
|---|---|---|
| Overall rating | 3.8/5 | 2.4/5 |
| Accuracy 30% | 81 ±0.01 pH | 0 ±0.2 pH |
| Calibration 15% | 85 3-point calibration | 50 2-point calibration |
| Features 20% | 90 replaceable probe, automatic temperature compensation, waterproof (IP57), stores readings | 30 replaceable probe |
| Extra readings 10% | 0 pH and temperature only | 0 pH and temperature only |
| Price 15% | 33 $279 | 58 $158.70 |
| Warranty 10% | 50 3-year meter warranty | 25 2-year meter warranty |
Specifications
| Apera SX711 Portable | Milwaukee MW100 Pro | |
|---|---|---|
| pH measurement | ||
| Accuracy | ±0.01 pH | ±0.2 pH |
| Resolution | 0.01 pH | 0.1 pH |
| Range | -2 to 20 pH | 0 to 14 pH |
| Calibration | 3-point | 2-point |
| Temperature compensation | Yes | No |
| Other readings | ||
| Conductivity (EC/TDS) | No | No |
| ORP | No | No |
| Salinity | No | No |
| Build | ||
| Replaceable probe | Yes | Yes |
| Waterproof rating | IP57 | No |
| Stored readings | 200 readings | - |
| Battery life | - | 300 hours |
| Weight | - | 227 g |
| Meter warranty | 3 years | 2 years |
| Probe warranty | 6 months | 6 months |