What are thermal cameras and how do they work
Thermal cameras are advanced devices that detect infrared radiation emitted by objects and convert it into thermal images. These images clearly show temperature differences, allowing professionals to identify hotspots, energy losses or irregularities invisible to the naked eye, without the need for physical contact.
The technology relies on high-sensitivity infrared sensors capable of capturing even the slightest thermal variations. The data is displayed as a colour map, with warmer and cooler areas represented in contrasting tones. This process enables quick, safe and highly accurate diagnostics across a wide range of applications.
How to choose the right thermal camera
Selecting the right thermal camera depends on the intended use and the required technical specifications. Key factors include thermal resolution, temperature range, measurement accuracy, and overall ease of use. For electrical inspections, higher thermal sensitivity may be crucial, whereas in scientific research, a broader temperature range could be more important.
Ergonomics, weight and battery life also affect performance, especially during prolonged inspections or in demanding environments. Modern thermal cameras often feature wireless connectivity such as Wi-Fi or Bluetooth, as well as compatibility with analysis software to streamline data transfer and reporting.
Key technical features
When comparing different thermal cameras, it is essential to examine their technical features. A high thermal image resolution ensures greater detail and more reliable temperature readings. Professional devices often start at 320×240 pixels, which allows detection of subtle temperature changes even from a distance.
The size and quality of the display play a crucial role in reading and interpreting thermal images. Many models feature colour touchscreens between 3.5” and 5”, designed for intensive use. Expandable internal storage via memory card enables saving images, videos and data for later analysis or report generation.
Advanced functions include thermal video recording, automatic report generation and wireless sharing. Some models also offer image fusion, combining thermal and visible imagery to provide clearer and more detailed analysis.
Applications and professional uses
Thermal cameras are used across multiple industries. In the industrial sector, they support predictive maintenance by monitoring equipment to prevent failures and improve efficiency. In electrical systems, they quickly detect overheating, faulty connections or energy losses.
In construction, they are essential for assessing insulation, detecting thermal bridges, air leaks or dampness, and improving building energy efficiency. In scientific research, they help study thermal phenomena with precision. They are also widely applied in automotive testing and in security for surveillance in low-visibility environments.
Thermal cameras at Electrónica Embajadores
At Electrónica Embajadores, we offer a wide range of professional thermal cameras designed to meet the requirements of different sectors and budgets. From compact models for routine inspections to advanced devices with specialised functions, our selection ensures reliability and accuracy for industrial, research and technical applications.
Explore our online catalogue and discover how thermal imaging technology can enhance the efficiency, safety and accuracy of your projects. With expert advice from our team, you can select the ideal tool to optimise your temperature measurement and thermal analysis processes.
