The App Store Badge is a trademark of Apple Inc.
Google Play and the Google Play logo are trademarks of Google LLC.









GTC 400 C Professional
Thermo Camera
Heat-sensing & immediate visualization of temperature differences with smart documentation
- Fast exchange of data and easy documentation of thermal images with the Bosch ThermalOn app
- Picture-in-picture technology overlays thermal and real images for easy-to-see localisation of the measurement
- Flexible battery system can be powered by a 12 V LI-ION battery or with standard alkaline batteries
Functions & key features





Your Selection
- with 4 x battery (AA), adapter
GTC 400 C Professional
Technical data
Additional data
* Plus use-dependent deviation. You can find more information about the deviations in the following link:
** You can find more information about the deviations in the following link:
ᵇ At >10°C, <100°C, for other surface temperatures, see
GTC 400 C Professional: Further information
Product Highlights
The thermal camera GTC 400 C Professional measures and visualises temperature differences in seconds and easily records the results. The Bosch ThermalOn app documents and forwards measured values fast. Intelligent picture-in-picture technology overlays detailed real and heat-sensing images (19,200 px), resulting in a high-quality image and clear localisation of temperature differences. With its dual power system, a 12 V LI-ION battery or standard alkaline batteries are suitable power supplies.
Equipment & Application
It is ideal for inspecting insulation, heating systems, heat flow, and for finding overheated parts.
Additional Information
The smart GTC 400 C Professional is perfect for supporting a variety of specialists in every project phase: From customer consultations by exhibiting clear images of the situation to preparatory tasks such as inspecting where lines are installed, through project documentation and even follow-up work. The measuring tool must not be used for human medical purposes.