KINGZONE Air Quality Detector High Precision Indoor Formaldehyde Air Quality Detector For Haze Dust

Product Specifications Display method: 2.8” LCD screen display, 320 x 240 pixels Atmospheric pressure: 86Kpa - 106Kpa Detection method for PM: Laser Scattering Sampling time: 1.5 seconds Product Size: 164 x 69 x 44 mm Detection temperature: -10°C to 50°C; 14°F to 122°F Relative humidity: 20% - 85% Storage temperature: -10°C to 60°C; 14°F to 140°F Concentration unit for PM (PM2.5/1.0/10) : ug/m³ Concentration unit for HCHO and TVOC: mg/m³ Power source: Lithium battery with 2000 mAh capacity; 5V DC power charging via micro USB port Product weight: 183g Features: -2.8" color liquid crystal display (LCD), 320x240 pixels -Test variables: PM2.5/1.0/10, formaldehyde, TVOC, temperature, humidity -Large 2000mAh capacity Lithium battery -On-board fan to draw in ambient air for more accurate real-time results -5V Micro USB charging -Low battery warning (5) Technical Parameter -PM2.5/PM1.0 /PM10 detection Detection principle: Laser scattering principle Number of test particles: 2.5um, 1.0um, 10um Detection method: concentration (per liter) Detection range: 0-999ug /m³ -Formaldehyde detection Detection range: 0-1.999mg /m³ Detection Technology: Semiconductor sensor Adopt Method: diffuse collection Concentration unit: mg /m³ -TVOC detection Detection range: 0.000-9.999ma / m³ Detection Technology: Semiconductor Sensing Technology Sampling technology: diffusion collection Concentration unit: mg/m³