Air Quality Monitor HCHO TVOC PM2.5 PM10 Formaldehyde Detector LCD Display Tester

Specifications Color BlackInput 5 0V 500mADimension As shown in the figureTest item HCHO TVOCTest range 0 2 888milligram m HCHO 0 9 999milligram m TVOC Detection principle semiconductor gas sensor principleConcentration unit milligram mOperating voltage 2 5 3 2vDisplay Method LED screenFeature 3D convection vents for real time circulating convection of air and more accurate detection The constant temperature working condition of the sensor is monitored to overcome the influence of temperature difference on the detection results Adopt dry battery protection technology long standby time more power saving High sensitivity high resolution high stability strong anti interference detectable TVOC and HCHO Real time detection of air at any time and place to ensure timely detection of air quality problems High precision semiconductor sensor for detecting HCHO TVOC Large screen for visual display of data the data is clear at a glance Beep when the alarm value is exceeded Easy to carry suitable for testing in various environments such as home office and car Package included 1 x Air Quality DetectorNotice 1 Please allow 1 5mm error due to manual measurement Please make sure you do not mind before you bid 2 The colors may have different as the difference display please understand Details Pictures