Question By: Thermal Infrared cameras enable you to make no-contact measurements of an object’s temperature for data collection, analysis, and reporting. When choosing a thermal imaging camera, there’s no single answer for all applications. Below are some points to consider before purchasing a thermal camera.
1. Temperature magnitude
The goal of using an IR camera is to measure temperature changes on your object of interest. 2 parameters you should take into consideration when measuring temperature. First, the temperature range of your object and, second the temperature resolution you wish to achieve.
2. Correctness and Repeatability:
Often a thermal imaging camera isn’t just used to detect temperature differences, it’s used to measure the temperature differences. In this sense, accuracy and repeatability are key parameters. Most high-quality thermal imaging cameras achieve a ±2% accuracy or better.
3. Resolution
The resolution of the thermal camera sensor, also called detector, determines the quality of the rendered image. The resolution indicates the number of pixels in the detector. High pixels mean higher resolution. The higher the resolution, the sharper and more accurate each point in the image will be, allowing for more accurate measurements and better decisions.
4. Durability
The durability of a thermal imaging camera is important especially for applications like high-end surveillance, security, and monitoring of critical infrastructure. If thermal imaging cameras must sit outdoors for long periods, or be moved around a rugged industrial environment, durability will be an important consideration.
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