Dust Tester Indoor Air Quality Monitor for Home Office English. equipped with 6 core sensor technology, the Air Quality Meter provides accurate and precise air quality measurements of () and total volatile compounds () in your home or office.The digital features a clear dual display that shows both and readings simultaneously in the range of to 2,000 parts per billion (ppb).The Air Quality Meter uses sensors that can detect even the slightest changes in air quality. The advanced sensors improve accuracy and reduce error rates.With intelligent alarms, you'll immediately if your air quality falls outside of safe Just button to turn it on, the Air Quality Meter is user friendly and easy to operate. Check your air quality in seconds with simple click quality tester monitor indoor co2 . air quality meters. air pollution meter test voc meter. monitor air quality monitor. voc test particle counter. [ADVANCED SENSORS] The Air Quality Meter uses sensors that can detect even the slightest changes in air quality. The advanced sensors improve accuracy and reduce error rates. [EASY TO USE] Just button to turn it on, the Air Quality Meter is user friendly and easy to operate. Check your air quality in seconds with simple click. [] With intelligent alarms, you'll immediately if your air quality falls outside of safe levels. [DUAL DISPLAY] The digital features a clear dual display that shows both and readings simultaneously in the range of 0 to 2,000 parts per billion (ppb). [ACCURATE and PRECISE] equipped with 6 core sensor technology, the Air Quality Meter provides accurate and precise air quality measurements of () and total volatile compounds () in your home or office.