Gas sensor DHM1200

CO₂ Hand held meter · NDIR (non-dispersive infrared) waveguide technology, 5 years working capacity · CO₂ measurement accuracy up to 40ppm~70ppm · Key query operation, MAX / MIN / AVG value available · White LED backlight for working in bad light condition Measuring Data CO₂Measuring Range: 0~2000ppm , 0~5000ppm , 0~10000ppm CO₂Accuracy: ±70ppm , ±40ppm CO₂Resolution: 1ppm General Sampling Interval: 2s Working Temperature: -30℃~70℃ , Best fit 0℃~50℃ Storage Temperature: -50℃~90℃ ESD Protection: ±25KV Auto Power Save: 5 mins Battery: AAA battery × 2 Battery Lifetime: ≥20 hours(Without alarm) IP Class: IP50 Sensing Probe Model: NDIR General Feature Dimensions: 166×58×20mm Housing: ABS+PC,flame-retardant,toxicity and halogen free Display Area: 47×16mm Weight: 110g