App for the Testo thermal imagers: mobile, flexible, efficient. App for the thermal imagers testo 868, testo 871, testo 872 and testo 883: mobile, flexible, efficient. Install our free App on your smartphone/tablet and use the practical functions for Testo thermal imagers. Functions: • See a live image from the thermal imager in the App • Remote control of the thermal imager via the App • Transmission of stored images from the thermal imager to the App • Analyze thermal imagers and add comme