testo 905i – Smart Air Probe

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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. 

- Rapid detection of temperature change via graphical progress display
- Measuring range -50 to +150 °C
- Measurement data analyzed and sent via testo Smart Probes App

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. 

Instant overview of all temperature changes 

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 

More Information
Warranty2 Years
Technical Data
Instruments SensorType K (NiCr-Ni)
Measuring range-50 to +150 °C
Accuracy ±1 digit±1 °C
Resolution00.1 °C
Instrument Sensor

CompatibilityRequires mobile end device with Bluetooth 4.0

Storage temperature-20 to +60 °C

Operating temperature-20 to +50 °C

Battery type3 micro batteries AAA

Battery life190 hrs

Dimensions222 x 30 x 24 mm100 mm probe shaft

What's Includedtesto 905i, batteries and calibration protocol.

Quick & precise reading of air temperatures 

Data analysis and recording via mobile device

Measuring range of -50 to 150°C

Report creation and transfer via smart phone