The testo Smart App by Testo SE Co. KGaA is a free Android app that guides you through measurements on refrigeration, air conditioning, and heating systems. It is compatible with all Bluetooth-enabled measuring instruments from Testo, including the testo Smart Probes, digital manifolds, vacuum gauges, clamp meters, and more. With the app, you can measure temperature, pressure, humidity, and air flow velocity with ease.

The app features measurement menus for a wide range of applications, making it quick and easy to configure and perform measurements. Measured values are displayed in graphic form for quick reading of results. You can also create digital measurement protocols and documentation, including photos, and send them via email. The app is ideal for refrigeration systems, air conditioning systems, heat pumps, indoor air quality, ventilation systems, and conventional heating systems.