CAPBs sens AQ20 VOC continuous

CAPBs sens AQ20 VOC continuous. Evaluation of the air quality in rooms, Inspection of filters, Redundant measurement in conjunction with PID measurements, Evaluation of the air quality in closed rooms (e.g. in schools, offices, conference rooms, libraries, etc)
Range: 450 ppm ... 2,000 ppm CO2 equivalent, 125 ppb ... 500 ppb TVOC equivalent.