Carrfan Air Quality Tester Formaldehyde CO2 HCHO TVOC LED Digital Display Meters Tester Mini Carbon Dioxide Air Detector Gas Analyzer Protable Air Quality Tester Precise and Intelligent Detection

This product is a simple and reliable measuring instrument that combines ease of use and performance, it allows you to track 3 key air quality factors: TVOC, HCHO?CO2   Features: 9 technological advantages: Higher accuracy, double thousand bit detection, constant temperature detection, software and hardware anti false alarm, algorithm anti-interference, four core operation, high-definition LED large screen, intelligent memory calibration, dry battery protection Sleep Manager: Detect sleep duration and environmental quality, master wake-up detection with one key. Fashion look: Acrylic mirror, dust-proof button, strong anti fog performance, outstanding color value, excellent function, fashion is not monotonous. Real time perception: Multi tuyeres control airflow movement, good contact response. Widely Useing: Widely be used in home, office, enterprise, government, school and car, etc.   Specifications: VOC measurement index: 0.001-9.999 Display mode: HD LED display Test principle: semiconductor gas sensing principle Test items: formaldehyde, TVOC, CO2 Detection temperature: - 10 ° C ~ 45C Alarm mode: beep alarm Measurement method: sensor induction technology " Sampling mode: diffusion sampling monitoring mode automatic Power supply: battery 5 (not included) Working voltage: 2.4-3.0v Package weight: 170g/6oz Product size: 135 * 62 * 22mm/5.31*2.44*0.8in   Packing List: 1*Tester