The handy pliers thermometer testo 115 i is suitable for use in combination with a smartphone or tablet for the service and the search for faults in air-conditioning and refrigeration systems, as well as for their installation. In addition, the measuring device can also for the measurement of the feed and return temperatures can be used. When working on far apart temperature measuring points. The application considerably simplifies the testo 115 i - thanks to wireless connection to the smartphone or tablet.And at the same time application of the high-pressure measuring device testo 549 i can also be individual parameters of refrigeration systems, such as overheating and undercooling, calculate. On the terminal device installed on the testo Smart Probes App, users can conveniently read your measurement values. All measurement data are optionally available as graph or in table form. Finally, the measurement data records as a PDF or Excel files directly can be sent.This text is machine translated.