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Measurement Principle: Ion electrode method
Sample Volume Required: 0.3 mL to 2.0 mL
Measurement Range: 40 to 4000 ppm
Calibration: 150 ppm and 2000 ppm
Reproducibility: ±20% or ±20 ppm
Display: 4-digit digital LCD display
Power: CR2032 coin batteries (×2)
Battery Life: 400 hours continuous operation
Operating Range: 40°F (5°C) to 105°F (40°C), 85% relative humidity
Dimensions: 164 mm × 29 mm × 20 mm