Particle Mass Concentration Detector with Formaldehyde CO2/PM2.5/PM10 TVOC Temperature/Humidity

The Sper 900033 Particle Mass Concentration Detector is an advanced, desk or table top device that accurately monitors formaldehyde (H2CO) and other important air quality levels in a closed environment. The large, colorful LCD display indicates multiple indoor air quality parameters with a thoughtfully designed, graphical user interface. The entire display functions as a six color warning system, where colors correspond to actual realtime pollutions levels. The unit measures PM2.5/10 particle levels, as well as CO2 and TVOC (Total Volatile Organic Compounds) levels in the atmosphere. The system also displays relative humidity, temperature and date/time. The unit also features an internal memory that can record up to up to 5,000 datapoints to track PM2.5/PM10 readings over time. An integral fan draws air across the sensors for accurate monitoring, and features auto shutoff and "awake by sound" modes. The unit includes a rechargeable battery, USB cable and power adapter.  Due to its toxi