Testo 905 i – Thermometer with Smartphone Operation


The compact Testo 905i professional thermometer, in conjunction with a smartphone or tablet, is ideal for measuring ambient temperature as well as temperatures in ducts and at air outlets. Check ambient temperatures and temperatures in ducts and at air outlets quickly, easily and professionally: with the testo 905i thermometer, which is optimized for your smartphone, nothing could be simpler.

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Product Description

  • The innovative Testo measuring technology can be connected to your own smartphone or tablet really easily: with the testo Smart Probes App installed on your terminal device, you can view your readings conveniently. All measurement data is displayed either as a chart or in table form, and can be logged and then emailed directly as a PDF or Excel file.

    System requirements:

    ·         iOS 8.3 or later

    ·         Android 4.3 or later

    ·         Bluetooth 4.0

Additional Information

Weight0.499 kg


Measuring Range



Operating Temperature

System requirements


Battery Life

Storage Temperature

Length probe shaft


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