Testo Smart Probes VAC kit Data Logging Probe for Air Velocity, Humidity, Temperature, Volume Flow, +60°C Max, 100%RH - 0563 0003 10

The Testo VAC kit has containing four measuring instruments for most important measuring tasks in, on and involving air conditioning systems and it enables to work more easily and efficiently.It used air and surface temperature, humidity, air velocity and volume flow for measurement It used 3 micro batteries AAA