Testo 400 Universal IAQ instrument blueair-filters-cat-11 includes batteries

includes batteries

Shelf extension kit available

Zehnder ComfoWell end plate CW-P 420 - DN125 with central spigot is for connection to the ComfoWell attenuator/manifold box or filter housing

and yet remains versatile enough in size to be equally as functional in larger apartments as it is in small to medium sized dwellings

Testo 400 Universal IAQ instrument blueair-filters-cat-11 includes batteriesThe testo 400 is a highly advanced, universal IAQ instrument designed to support professionals in the fields of air conditioning, ventilation, and environmental monitoring. It allows users to measure, analyse, and document all IAQ and comfort parameters using a single, intuitive device. Whether you're working on air flow measurements, temperature and humidity levels, or assessing air quality, the testo 400 offers the versatility and accuracy required