Visitors at Testo's testo 400 multifunction meter display

Photo: Mariusz Młynarczyk / CloudAir.tech

Visitors talk with staff in front of the Testo poster for the "testo 400" multifunction meter, marked "NOWOŚĆ". A flow hood with the orange Testo logo stands on the left, and instrument cases, a thermal camera and a "Chłodnictwo" panel fill the rest of the stand.