The Testo 535 ambient CO2 meter uses CO2 as an indicator to assess indoor air quality. If the CO2 in indoor air is too high (>1000 ppm), the air feels stuffy and and stale and can lead to fatigue, poor concentration, and illness.
The Testo 535 ambient CO2 meter has a measuring range of 0 to 9,999 ppm CO2 with accuracies of ±(50 ppm CO2 +2 % of mv) from 0 to 5,000 ppm and ±(100 ppm +3 % of mv) from 5,000 to 9,999 ppm CO2.
The Testo 535 ambient CO2 meter comes complete with permanently attached probe, instruction manual, batteries and calibration protocol.
This product can be used in the following applications:
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