AZ-7722 3 IN 1 Air quality monitor CO2 Temperature meter humidity meter carbon dioxide tester CO2 gas detector gas analyzer

Specification of AZ-7722 3 IN 1 Air quality monitor CO2 Temperature meter humidity meter carbon dioxide tester CO2 gas detector gas analyzer

Product description

*Low cost wall mountable monitor checking indoor air quality 
*Super large LCD displays CO2 ,temperature & humidity simultaneously 
*Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor 
*ABC (automatic background calibration) preset on for long time drift compensation 
*Warning carbon dioxide level programmable 
*Visible & audible alarm (~80db) are both available 
*Alarm output drives built- in relay to control ventilation system 
*Max ,min, average functions included 
*PC output to computer for on line analysis 
*Display 8 hrs TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit) 
*Housing design surrounds with rails to help air ventilation for quick and accurate response 
*Easy to manually calibrate at fresh air around 380-420ppm 
*Temperature unit is switchable 
*Measuring range:0~9999 ppm, (2001~9999 ppm out of scale range) 
*Temperature:-10~60 C (14~140 F) 
*Relative Humidity:0.1%~99.9%RH 
*DP(Dew point temp.):-20.0~59.9 C 
*WB(Wet bulb temp.):-5.0~59.9 C 
*Resolution:1ppm , 0.1 C/ F, 0.1%RH 
*Accuracy:+50ppm+5% of reading(0~2000ppm) 
*Other ranges are not specified 
*Temperature:+0.6 C/+0.9 F 
*Relative Humidity +3%RH o o (at 25 C, 10~90%RH) ; 
*Warm-up time 30 seconds 
*Meter size (LxWxH,mm):130x 85 x 60 
*Weight:200g