Testo 440 Air Flow Combo Kit 2 With Bluetooth Humidity It has a smart user-friendly

It has a smart user-friendly interface that allows users to instantly identify the thermal risk level result based on different colors

The TWL-1S is used to monitor and assess thermal risk levels indoors and outdoors

The caliper’s slide and jaws are constructed of hardened stainless steel and provide an impact-resistant

● Instruction Manual

● Transport Case for Air Flow Measurements

Testo 440 Air Flow Combo Kit 2 With Bluetooth Humidity It has a smart user-friendlyKit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (100mm) with Bluetooth including temperature sensor, and the vane probe (16mm) are all safely stowed away in the case. So you can get down to work straight away! Intuitive: structured measurement menu for volume flow and determination of air velocity, humidity, and temperature in ventilation ducts or at