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CO₂ meter "testo 535"

For measuring indoor carbon dioxide concentration and inspecting CO₂ sensors.

Testo 535 is a handheld CO₂ meter that accurately measures indoor carbon dioxide concentrations. It uses an NDIR sensor with excellent long-term stability. With mobile app integration, logging for several minutes to several hours is also possible. 【Features】 ■ Backlight ■ Hold function ■ Maximum/Minimum ■ Average (time/multiple points) ■ Damping ■ Auto-off ■ Sound alarm ■ Printer (optional) ■ Mobile app integration *For more details, please download the PDF or feel free to contact us.