Gas detector Testo AG
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Testo AG
The Testo 440 CO₂ Kit is a versatile flue gas analyser with Bluetooth® connectivity, offering accurate carbon dioxide detection within the range of 0 to 10,000 ppm. Perfect for monitoring and ensuring optimal air quality in various environments.
Accurate and reliable carbon monoxide detection with the testo 317-3. Ideal for ambient measurements, ensuring safety in homes and workplaces by monitoring air quality effectively.


