ventilation fans
kanomax 2211 indoor air quality testerco2 0 to 5000
indoor air quality tester carbon monoxide measurement range 0 to 500 ppm carbon dioxide concentration 0 to 5000 ppm temp range 4 to 140 f relative humidity range 2 to 98 % resolution co2 1 ppm display multiline lcd includes batteries probe stand calibration cup and tube software rs 232 interface cable carrying case and instructions br b features b ul li accuracy co2 3 % of reading or 3 ppm li li includes batteries probe stand calibration cup and tube software rs 232 interface cable carrying case and instructions li li item indoor air quality tester li li temp . range 4 to 140 f li li display multiline lcd li li power source 6 aa batteries li li relative humidity range 2 to 98 % li li resolution co2 1 ppm li li manufacturers warranty length 1 year li li humidity accuracy from 2 to 80 % 2 % from 80 to 98 % 3 % li li carbon monoxide measurement range ppm 0 to 500 li li carbon dioxide concentration 0 to 5000 ppm li ul