Description
CCS811 VOC Air Quality Sensor from AMS is a gas sensor that can detect a wide range of Volatile Organic Compounds. This sensor is intended for indoor use. The CCS811 has a 'standard' hotplate MOX sensor, as well as a small microcontroller that controls the current on the plate, reads the analog voltage and provides an I2C interface. Has an onboard thermistor for temperature measurement.
This section will concentrate eCO2 (equivalent calculated carbon dioxide) concentration in the range of 400 to 8192 parts per minute (ppm) and TVOC (Total Volatile Organic Compound) in the range of 0 to 1187 parts per billion (ppb). According to the fact sheet it can detect Alcohols, Aldehydes, Ketones, Organic Acids, Amines, Aliphatic and Aromatic Hydrocarbons.
Please note, this sensor, like all VOC/gas sensors, has variability and to get accurate readings, you will need to calibrate against known sources! That said, for general environmental sensors, it will give you a good idea of trends and comparisons. Also, AMS recommends running this sensor for 48 hours when first using it.
