Infrared thermal imager (thermal imaging night vision device) uses infrared detectors, optical imaging objective lenses and optical-mechanical scanning systems to receive the infrared radiation energy distribution pattern of the measured target and reflect it on the photosensitive element of the infrared detector.
Between the detectors, there is an opto-mechanical scanning mechanism (the focal plane thermal imager does not have this mechanism) to scan the infrared thermal image of the measured object, and focus on the unit or spectroscopic detector, and the detector converts the infrared radiation energy into electrical signals, amplified, converted, or standard video signals to display infrared thermal images through a TV screen or monitor. It has a wide range of applications in military, industrial, automotive assisted driving, and medical fields.
Infrared thermal imagers (also known as thermal night vision cameras) are the only ones that can produce high-quality images. It does not need to rely on starlight and moonlight, but uses the differential imaging of the thermal radiation of the object. The bright part of the screen means the temperature is high, and the dark part means the temperature is low. A thermal imager with good performance can reflect the temperature difference of one thousandth of a degree, so it can detect vehicles, people and even buried objects hidden in the woods and grass through smoke, rain and snow and camouflage. The visible distance of a modern rifle thermal imager is about 1000 meters. Some tank thermal sights can be seen up to 3000 meters away.
Infrared thermal imaging cameras (thermal imagers or thermal imaging cameras) precisely quantify, or measure, detected heat, allowing you to not only observe thermal images, but also accurately identify and rigorously analyze hot fault areas. Thermal imaging night vision devices are very widely used, especially in the military. The use of thermal imaging cameras can detect tank engines and soldiers that emit heat at night.
In industry, a thermal imager can be used to quickly detect the temperature of the workpiece, so as to grasp the necessary information. Since the failure of electronic devices such as motors and transistors is often accompanied by an abnormal increase in temperature, thermal imaging cameras can also be used to quickly diagnose faults. Border guards can also use it to determine whether there are stowaways in the transport.
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