Formaldehyde detector

Product name: air quality detector Product model: DM-72 Display mode: LCD high-definition liquid crystal display Test items: formaldehyde and TVOC in the air (including benzene) Detection range: 0.000~1.999mg/m3 (formaldehyde) 0.000~9.999mg/m3(TVOC) Detection principle: principle of semiconductor gas sensor +Laser scattering Detection time: 5. 10 minutes Sampling method: diffusion collection Concentration unit: mg/m3 Atmospheric pressure: 86Kpa-106Kpa Relative humidity: 20%-85% Working humidity: 5°C~45°C Charging temperature: 0°C~45°C Storage temperature: -20°C~50°C Battery: Lithium battery Battery capacity: 2000mAh Input: 5V/1A. Dimensions: 78X96X139(mm)