The particle counter PCE-RCM 16 is ideal for monitoring the air quality in homes, businesses or public buildings where people are staying. The 4.3-inch TFT display on the particle counter PCE-RCM 16 is dimensioned so that all measured values can be read directly. Metrics - TVOC : 0.000 … 9.999 mg / m - PM1 , PM 2.5 , PM10 : 0 … 999 g / m - Temperature : 0 … 50C / 32 … 122F - Humidity : 20 … 90% rh - CO2 : 0 … 5000 ppm