1. Home
  2. Products
  3. testo ε-Assist: Set emissivity automatically.
Functions of the Testo thermal imagers

testo ε-Assist

Set emissivity automatically

testo ε-Assist automatically sets emissivity (ε) and reflected temperature (RTC) – for accurate thermal images.

This is how it works:

Attach testo ε - marker and record the object with the digital camera in the thermal imager.

Attach testo ε - marker
Headquarters
Testo Inc.
40 White Lake Road
07871Sparta
New Jersey
800-227-0729

© 2026