Details

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MODEL	LAQUA pH210	LAQUA pH220
pH Range	pH Range: -2.00 to 16.00 pH Resolution: 0.01 pH Accuracy: ± 0.01 pH Calibration Points: Up to 5 (USA & NIST) / Up to 6 (DIN) Buffer options: USA, NIST, Custom	pH Range: -2.00 to 16.00 pH Resolution: 0.01 pH Accuracy: ± 0.01 pH Calibration Points: Up to 5 (USA & NIST) / Up to 6 (DIN) Buffer options: USA, NIST, Custom
ORP Range	ORP Range: ± 2000 mV Resolution: 0.1 mV (< ±1000 mV), 1 mV (≥ ±1000 mV) Accuracy: ±0.3 mV (< ±1000 mV), 0.3% of reading (≥ ±1000 mV) Calibration Option: Yes	ORP Range: ± 2000 mV Resolution: 0.1 mV (< ±1000 mV), 1 mV (≥ ±1000 mV) Accuracy: ±0.3 mV (< ±1000 mV), 0.3% of reading (≥ ±1000 mV) Calibration Option: Yes
Temperature Range	ORP Range: ± 2000 mV Resolution: 0.1 mV (< ±1000 mV), 1 mV (≥ ±1000 mV) Accuracy: ±0.3 mV (< ±1000 mV), 0.3% of reading (≥ ±1000 mV) Calibration Option: Yes	Temperature Range: -30.0 to 130.0 °C / -22.0 to 266.0 °F Resolution: 0.1 °C / °F Accuracy: ± 0.5 °C / ± 0.9 °F
Measurement Modes	Auto Stable, Auto Hold, and Real Time	Auto Stable, Auto Hold, and Real Time
Meter Inputs	BNC (for pH electrode), phono (for temperature sensor)	BNC (for pH electrode), phono (for temperature sensor)
Meter Outputs	phono (for software upgrade only)	phono (for software upgrade only)
Battery Life	>500 hours	>500 hours
Meter Dimensions	160 (L) x 80 (W) x 40.60 (H) mm	160 (L) x 80 (W) x 40.60 (H) mm
Meter Weight	Approx. 260 g (with batteries) / 216 g (without batteries)	Approx. 260 g (with batteries) / 216 g (without batteries)
Memory	500	1000