- Intuitive: clearly structured measurement menu for volume flow and determination of air velocity in ventilation ducts
- Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements
- Reliable: internal data storage and USB port for data export
- As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol (0560 4401). Vane probe (Ø 16 mm) with fixed cable (cable length 1.7 m), including telescope (can be extended to 0.85 m) and calibration protocol (0635 9532). Basic case for testo 440 and 1 probe.