1. Home
  2. testo 805i
0560 1805 01

testo 805i - Infrared thermometer wireless Smart Probe

testo 805i
testo 805i
testo 805i
testo 805i
testo 805i
testo 805i
testo 805i
testo 805i
The testo 805i Smart Probe is an infrared (IR) thermometer that provides non-contact temperature readings, great for checking breakers, motors, ducts, and registers from a distance.  The measurement area is indicated by a circular laser pattern, which asssures accurate targeting measurement.
  • Measures non-contact temperature
  • Optic target ratio (10:1)
  • Live data feed integration now available with the MeasureQuick App
  • Photograph objects with smart device, capturing measurement marker and temperature values for reference and reporting
Use the testo Smart app to take photos of objects, including the laser pattern and temperature reading, for your reference.  Easily adjust the emissivity in the app, and store data as files, or share via text or email.  The testo 805i works on smart devices with either Android or Apple operating systems

The testo Smart 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 and 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!

Temperature - Infrared

Measuring range
-22° to 482 °F / -30 to +250 °C
Accuracy
±4.5 °F (-22° to -4.2 °F) / ±2.5 °C (-30 to -20.1 °C)
±4 °F (-4° to 31.8 °F) / ±2 °C (-20 to -0.1 °C)
±2.7 °F or ±1.5 % of mv (32° to 482 °F) / ±1.5 °C or ±1.5 % of mv (0 to +250 °C)
Resolution
0.1 °F / 0.1 °C

General technical data

Weight
3.42 oz. / 97 g
Dimensions
6 x 1 x 1 in. / 140 x 36 x 25 mm
Operating temperature
14° to 122 °F / -10 to +50 °C
Housing
ABS / TPE
System requirements
requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2
Product colour
black/orange
Battery life
30 h
Battery type
3 x AAA
Storage temperature
-4° to 140 °F / -20 to +60 °C
testo 805i Bluetooth infrared thermometer, including 3 AAA batteries and certificate of conformity
  • not available
Headquarters
Testo Inc.
40 White Lake Road
07871Sparta
New Jersey
800-227-0729

© 2026