Features:
Stable NDIR sensor for CO2 detection Statistics of weighted averages TWA (8 hours weighted average) STEL (15 minutes weighted average) Backlight for working in dark area Audible CO2 warning sound Battery and adaptor power supply Easy manual calibration on CO2 and humidity PC connect via RS232 interface (not included in the set)Specifications:
Measuring Range : CO2: 0~9999ppm (5001~9999 out of scale) Temperature : -10~60°C (14~140°F) Humidity : 0.1% ~ 99.9%RH Dew Point : -20.0~59.9°C Wet Bulb : -5.0~59.9°C Resolution : 1ppm, 0.1°C/°F, 0.1%RH Accuracy : C02 : ±30ppm ±5% (0~5000ppm) Temp : ±0.6°C / ±0.9°F Humidity : ±3%RH (at 25°C, 10~90% RH); ±5%RH (at 25°C