Range: 0-999 ppm
Accuracy : ± 20% at 0 – 100 ppm
± 15% at 100 – 500 ppm
(at 20 °C +/-5%, 50 +/-20% RH)
Resolution: 1ppm
Battery Life: 250 hours without backlight; 35 hours with backlight
Battery: 3 X 1.5V AAA Size (NEDA 24G or IEC R03) battery
Dimension: 175 x 47 x 28 mm (6.90 x 1.85 x 1.10 in)
Weight: 0.128 Kg (5 oz.)
Operating Humidity: 5-99% RH (no condensation)
Operating Temperature: -10 to 60°C/ 14 to140°F
Storage Temperature: -40 to 70°C / -40 to 158°F