Bante 221 pH/ORP Portable
A handheld with benchtop-class accuracy and an ORP electrode in the box, for water-treatment and lab work away from the bench.
Amazon $350$350
The Bante 221 pH/ORP Portable is the better ph meter overall, rated 4.0 to 3.5. The Bante 221 pH/ORP Portable leads on extra readings, accuracy and calibration. The Apera PH400 Portable costs $44.93 less ($305.07 vs $350).
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.
Apera PH400 Portable
A solid handheld kit for brewing and field work. The Apera SX711 now does more for less money.
Amazon $305.07$305.07
Which should you buy?
- Choose the Bante 221 pH/ORP Portable for extra readings (ORP vs pH and temperature only), accuracy (±0.002 pH vs ±0.01 pH) and calibration (5-point calibration vs 3-point calibration).
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 | Bante 221 pH/ORP Portable | Apera PH400 Portable |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Accuracy 30% | 100 ±0.002 pH | 81 ±0.01 pH |
| Calibration 15% | 100 5-point calibration | 85 3-point calibration |
| Features 20% | 75 replaceable probe, automatic temperature compensation, stores readings | 70 replaceable probe, automatic temperature compensation, waterproof (IP57) |
| Extra readings 10% | 70 ORP | 0 pH and temperature only |
| Price 15% | 23 $350 | 29 $305.07 |
| Warranty 10% | 0 warranty not published, scored as none | 25 2-year meter warranty |
Specifications
| Bante 221 pH/ORP Portable | Apera PH400 Portable | |
|---|---|---|
| pH measurement | ||
| Accuracy | ±0.002 pH | ±0.01 pH |
| Resolution | - | 0.01 pH |
| Range | - | 0 to 14 pH |
| Calibration | 5-point | 3-point |
| Temperature compensation | Yes | Yes |
| Other readings | ||
| Conductivity (EC/TDS) | No | No |
| ORP | Yes | No |
| Salinity | No | No |
| Build | ||
| Replaceable probe | Yes | Yes |
| Waterproof rating | - | IP57 |
| Stored readings | 500 readings | - |
| Connectivity | USB | - |
| Weight | - | 340 g |
| Meter warranty | - | 2 years |
| Probe warranty | - | 6 months |