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Calibration and general servicing of an infrared camera is carried out by the manufacturer, FLIR Systems. Once the camera has been returned, it is thoroughly checked to ensure that the readings you take are accurate and repeatable.
One of the most important aspects of this service is to ensure accurate temperature measurements in the different environments that the camera is used.
During this testing, all of the materials and components that make up the camera are checked and adjusted if necessary, as many of them need to correctly compensate for temperature variations that naturally occur inside the casing.
After this work has been completed, the camera's firmware - the software that drives the menus and functions - is also updated. Quite often, a new firmware version is developed to add new features, fix bugs and improve performance.
Another aspect of this service is the 're-mapping' of the screen's pixels. For example, on a camera with a 320 x 240 infrared image resolution, these pixels can begin to wear out or stop working altogether. Since each pixel is very small, this deterioration can be tricky to spot, but a trained technician can identify and fix these problems at an early stage.
Finally, and as a preventative measure in most cases, worn and faulty components (e.g. end belts, straps, etc) and rubber membranes (e.g. keypads, buttons, etc) are replaced. This work helps to ensure that the camera remains protected from dirt and dust, and continues to perform as expected in-the-field.
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