Testo 440 Combo Kit 2 Bluetooth 100mm Vane Probe and 16m Vane Probe 990 321 792 1 x Screws and wall

1 x Screws and wall plugs

This deflector enables precise control over the direction of the

Naturally anti-bacterial

Zehnder P/N 399 000 003

Testo 440 Combo Kit 2 Bluetooth 100mm Vane Probe and 16m Vane Probe 990 321 792 1 x Screws and wallBenefits Comprehensive IAQ Measurement Measures all IAQ parameters, including flow velocity, temperature, humidity, pressure, CO2, CO, and more. Versatile Dual Probe Setup Combines a slim 16 mm vane probe for ductwork with a 100 mm vane probe for outlets, ensuring full airflow measurement coverage. User Friendly Operation Clearly structured measurement menus make setup, recording, and analysis quick and intuitive for all common HVAC applications.