Overview
With the Testo 440 lux kit, illuminance can be measured and
documented efficiently. The Testo 440 air velocity & IAQ measuring instrument recognizes probes automatically, and
its structured measurement menus simplify the adjustment
of air conditioning and ventilation systems. Up to 3 probes
can be connected simultaneously to the measuring instrument: a Bluetooth® probe, a wired probe and a temperature probe with Type K thermocouple connector.