The Testo 905i is an air temperature thermometer that quickly and accurately measures temperature in rooms, ducts, registers, and environmental boxes and chambers.
The Testo 905i works with an App and Bluetooth so you can read it out on a smart phone or tablet. The Testo Smart Probes App allows users to remotely read measurements from up to six (6) Smart Probes, and easily document and report the results. The app also features automatic calculations.