• A measuring instrument for all climate-related parameters
• Extendible with a wide range of probes
• Wireless measurement with Bluetooth probes
• USB interface for exporting measurement reports as CSV files
• Intuitive measurement menus
• Graphic display with parallel display of 3 readings

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

testo 440 – testo 440 air velocity and IAQ measuring instrument