AIR QUALITY MONITOR : CO2, TEMPERATURE, RELATIVE HUMIDITY, DATE, TIME, Hp: 081380328072, Email : k00011100@ yahoo.com

The monitors are self-calibrating and have an estimated 15-year lifespan without the need to purchase a calibration kit. Specifications: - LED Display: CO2, Temperature, Humidity, Year, Month, Date, Day and Time - Material: Tempered glass, aluminum frame, LED Display CO2 Sensor: - Sensing method: NDIR - Sampling method: Diffusion - Measurement: 0-10, 000ppm - Display: Digital display ( 4 digits) - Accuracy: ± 75ppm, ± 5% of reading - Warm up: less than 30 seconds - Measurement interval: 2 seconds Temperature: - Operating temperature range: -20º C to 50º C, ( C/ F) - Accuracy: ± 3% of reading - Measurement interval: 30 seconds Humidity: - Display : Relative Humidity( % ) - Measurement range : 0-100 % RH - Accuracy : ± 3% of reading 3 step display of CO2 level: - Less than 800 ppm – Good - From 800 to 1, 200ppm – Normal - More than 1, 200ppm – Poor Power: - AC 110V/ 220V/ 230V, 50/ 60Hz or DC 9V/ 12V ( included) Dimensions ( LxHxD) : - 53 × 22 × 4 cm Contact Us : Mitra Guna Instruments Up. Pak Harry Ruko Taman Yasmin Sektor VI Jl. Ring Road Utara No.134 Bogor 16113 Telp : 021-37699537, 0251-7543316 Hp : 081380328072 Fax : 0251-7543281