Testo 435-1 Indoor Air Quality Monitor Kit is a multifunction instrument for measuring and surveying Indoor Air Quality and for altering and reviewing VAC systems. This Testo Indoor Air Quality Monitor is a moderate introduction of measurement engineering for ambient air conditions.

Applications: Used in ventilation ducts to measure volumetric flow, measures the flow at duct outlets, measures the air and surface temperature, radiated heat, lighting measurement, turbulence measurement(thermal comfort)