Co2 Meter Co2 Meter Monitor Carbon Dioxide Meter Co2 Indoor air quality Co2 meter can be used in below domestic and public places Home, office meeting room, school classroom, auditorium, hospital, hotel, library, gym, brewery, laboratory, shopping center, cafe, workshop, warehouse, greenhouse, etc Co2 Measurement: Sensing Method:Dual Channel NDIR(Non-dispersive Infrared) Measurement Range:400 to 5000ppm Accuracy :±(50PPM+5% of measured value) Warm-up …