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If you want to obtain accurate results with an infrared thermal imaging camera, you must ensure that its use steps are correct. This article will specifically introduce the four steps of using the thermal imaging camera.
An infrared thermal imaging camera uses infrared detectors and optical imaging objectives to receive the infrared radiation energy distribution pattern of the measured target and reflect it on the photosensitive element of the infrared detector to obtain an infrared thermal image. This thermal image is related to the heat on the surface of the object. Corresponding to the distribution field.
Infrared thermal imaging cameras are widely used in temperature measurement and outdoor activities. Its use method is slightly complicated. You need to set parameters first, then adjust the focal length, choose a suitable shooting distance to shoot, and record data. The following is a detailed introduction to the four steps of using the infrared camera.
1. Setting parameters
Before measuring with the infrared thermal imager, the parameters need to be set. The emissivity setting is the most critical and has the greatest impact on the measurement and shooting results. The most important thing to ensure accuracy is to correctly select the emissivity of the measured object, which has the greatest impact on the accuracy of the temperature measurement result. In addition, there are setting items such as temperature, humidity, and distance.
2. Find the focus
Generally, a temperature sensor camera is used to perform a comprehensive scan of all the parts to be tested to find out the abnormal heating parts, and then to detect the abnormal temperature parts for accurate temperature measurement. Correspondingly compare the abnormal point temperature with the historical operating temperature, and if the temperature changes greatly, the atlas will be recorded for further analysis.
3. Analyze abnormalities
The abnormal temperature points should be detected from different directions, the hottest spot should be found and the best angle should be selected for shooting. When shooting with an infrared thermal imaging camera, it is best to include both the abnormal points that you want to capture and the normal points in a map. This provides some reference and basis for judgment.
4. Data recording
Select different environmental temperature reference bodies for different detection objects, and record the environmental reference temperature. When shooting, you should take at least two atlases, one containing two-phase or three-phase equipment of the same kind for similar comparison; the other for the heat-generating phase to be taken at close range under the premise of ensuring safety to obtain the true temperature value. In addition, the infrared camera should also choose a reasonable shooting distance, and try to make the device full of the entire screen. At the same time, corresponding visible light photos should be taken. For infrared thermal imaging cameras, in addition to recording the atlas, data needs to be recorded to provide a basis for later analysis.
When using an infrared camera, you should also pay attention to keeping the instrument stable when shooting, choose a suitable testing environment, and the operator should be trained before operating, and the infrared camera should be maintained and maintained regularly. If you want to know more about infrared cameras after reading the above content, you can get a more comprehensive solution by contacting us.
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