Apera SX711 Portable vs Bante 221 pH/ORP Portable

Last updated: November 9, 2026

The Bante 221 pH/ORP Portable is the better ph meter overall, rated 4.0 to 3.8. The Bante 221 pH/ORP Portable leads on extra readings, accuracy and calibration. The Apera SX711 Portable wins on features and price. The Apera SX711 Portable costs $71 less ($279 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 SX711 Portable vs Bante 221 pH/ORP Portable

Which should you buy?

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 weightBante 221 pH/ORP PortableApera SX711 Portable
Overall rating4.0/53.8/5
Accuracy 30%100 ±0.002 pH81 ±0.01 pH
Calibration 15%100 5-point calibration85 3-point calibration
Features 20%75 replaceable probe, automatic temperature compensation, stores readings90 replaceable probe, automatic temperature compensation, waterproof (IP57), stores readings
Extra readings 10%70 ORP0 pH and temperature only
Price 15%23 $35033 $279
Warranty 10%0 warranty not published, scored as none50 3-year meter warranty

Specifications

Bante 221 pH/ORP PortableApera SX711 Portable
pH measurement
Accuracy±0.002 pH±0.01 pH
Resolution-0.01 pH
Range--2 to 20 pH
Calibration5-point3-point
Temperature compensationYesYes
Other readings
Conductivity (EC/TDS)NoNo
ORPYesNo
SalinityNoNo
Build
Replaceable probeYesYes
Waterproof rating-IP57
Stored readings500 readings200 readings
ConnectivityUSB-
Meter warranty-3 years
Probe warranty-6 months

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