Multi-Functional LCD Formaldehyde TVOC Detector Gas Tester Monitor PM2.5 PM1.0 PM10 Tester

Features : For TVOC, formaldehyde, PM2.5,PM1.0 ,PM10 testing. LCD display. Easy to operate. Testing holes are designed to provide cross ventilation. Handheld design make it convenient to detect air. Short test time. Specification : Model: DM106 Continuous work time:300min Battery:2000mAh polymer lithium battery Input voltage:5.0V/1000mA Charging temp:-10~45 Formaldehyde test Test object: Formaldehyde Test range: 0~1.999mg/m Test tech: Semiconductor sensor Sample type: Ciffusion type Concentration unit: mg/m TVOC test Test object: TVOC Test range: 0.000~9.999mg/m Test tech: Semiconductor sensor Sample type: Ciffusion type Concentration unit: mg/m Test time: 5min PM2.5/PM1.0/PM10 test Test principle: Laser light scattering Test particle population: 2.5um, 1.0um, 10um Test particle mass: PM2.5, PM10 Sample time: 3 sec Test method: Concentration(per liter) Test range: 0~999ug/m Use environment Air pressure: 86Kpa-106Kpa Relative humidity: 20%-85% Test temp: -10 to 45 Storage temp: -20 to 50 Package includeds : 1 x DM106 Tester 1 x USB Cable Details pictures :