The compact professional analyzers can be operated by smartphone/tablet via the testo Smart Probes App and really conveniently transported in the handy testo Smart Case. This means you are ready to go for measurements including the following: Flow and return temperature, Surface temperature, Pressure, Flow.
Testo’s voltage testers, clamp meters and multimeters impress thanks to their extraordinary high level of user-friendliness, setting new standards with intelligent technology never seen before. For the reliable control of all electrical parameters on heating systems.
So there can be no more surprises - discover our thermal imagers, differential pressure measuring instruments, infrared thermometers and vane anemometers. Always reliable, always accurate and naturally with proven Testo quality.
The testo 440 air velocity & IAQ measuring instrument
Welcome to a new era: the new testo 440 combines the benefits of a compact handheld device with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. This means you have all the measuring tasks on air conditioning and ventilation systems safely and reliably under control.