The testo 905i Smart Probe is an air temperature Smart Probe that quickly and accurately measures temperature in rooms, ducts, registers, and environmental boxes/chambers. Users can remotely read the measurements from this or multiple probes by using the testo Smart Probes App installed on their Smart device. Smart Probes can be used individually or in combination with other Smart Probes to create measuring solutions for most HVAC/R applications. Great for setup and diagnostics of large and small HVAC/R systems. The testo 905i works on smart devices with either Android or Apple operating systems.

The testo Smart Probes App is a powerful and easy-to-use tool. It allows you to remotely read measurements from up to six (6) Smart Probes and easily document/report the results. Automatic calculations make it a snap! All measurement data is displayed as instrument readings, tables, or graphs. The measurements can be quickly saved as PDF or Excel files. The App creates custom reports which can be saved and/or shared by email. All your data can be stored and retrieved saving you hours of time consuming paperwork!