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 DATASHEET [PDF]

TESTO 440 WITH VANE KIT [PDF]

MANUAL [PDF]

FIXED PROBE MANUAL [PDF]