Testo 440 Air Velocity and IAQ measuring Instrument

Descriptions:

Can measure m/s,°C,%rH,Lux, Co2,Co,etc.

intuitive menu for important applications 

Compatible with a wide selection of bluetooth & wired probes, as well as testo smart probes.

Parallel Display of 3 measuring values

Universal probe handle with Bluetooth

Memory Recall on Instrument for up to 700 measurements

testo 440 dP model version with integrated differential pressure for measuring hPa