AZ7755 5 in 1 Carbon Dioxide CO2 Temperature Humidity Dew Point Bulb

This meter measures CO2 level, Air Temperature, Dew Point (DP), Wet Bulb Temperature (WB) and Humidity (RH) and is an ideal instrument for Indoor Air Quality (IAQ) diagnosis. Feature : - Triple displays of CO2 level, temperature (°C/°F) and Humidity - Stable NDIR sensor for CO2 detection - Statistics of weighted averages - TWA (8 hours weighted average) - STEL (15 minutes weighted average) - Backlight, Hold data, Min/Max - Sound warning alarm for CO2 high level risk - Easy manual calibration on CO2 and humidity - PC connection for on-line loggin and data analysis (not included on set) - Portable Design - Manual calibration of CO2 and Humidity is available - Updates reading every second - Auto / Manual power off - Factory calibrated Spesification : - Measuring Range CO2: 0~9999ppm (2001~9999 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 : ±50ppm ±5% of reading (0~2000ppm) other ranges are not specified Temp : ±0.6°C / ±0.9°F Humidity : ±3%RH (at 25°C, 10~90% RH); ±5%RH (at 25°C, others) Warm-up time : 30 seconds - Response time CO2 : lt;30 seconds (90% step change) Temp : lt;2 mins (90% step change) RH : lt;10 mins (90% step change) - LCD size : 26*44mm - Operating condition : 0~50°C, 0~95%RH (avoid condensation) - Storage Condition : -20~50°C, 0~95%RH (avoid condensation) - Power Supply : 4 x AA batteries - Battery life : gt;24 hours (alkaline batteries) - Meter size : 205 x 70 x 56mm ( L*W*H) - Dimension : 169(L) x 78.3(W) x 43.4(H)mm - Weight : 200g Comes with - 1 x Portable CO2 meter - 4 x AA batteries - English Operation Manual - Hard Carrying Case