Want to compare, naturally have to first understand the principle, the principle of infrared temperature measurement means commonly used at present is almost the same, are based on the absolute zero degree above the object itself will radiate infrared energy, there is energy there is a wavelength, there is energy can be captured, and then through the specific photoelectric conversion device can be calculated by the size of the energy, which is the basic principle of infrared temperature measurement. The actual realization of the main common thermoelectric heap and resistance microbolometer radiation technology, thermoelectric heap technology is the most common, ear temperature forehead temperature, including face temperature measurement are basically this, I said the face temperature measurement, in fact, also refers to the face temperature measurement equipment.
The principle of the temperature measurement module of the two devices is the same, both through the detection of infrared thermal radiation emitted by the human body to determine the temperature of the person. But the difference between the two is that the infrared thermal imaging temperature measurement equipment can be given to more than one person at the same time temperature measurement, temperature measurement range is larger, the surrounding environment, the light intensity will have a greater impact on the detection results, if you require the accuracy of the temperature measurement results need to be installed in the black body calibration, so it can only be installed in a closed environment indoors. Moreover, infrared thermography equipment needs to be coordinated by multiple devices to complete the body temperature detection, so once the installation is completed, it can not be moved at will. This is also costly. (For more information about Digital Sentinel, please contact HANMA Intelligence) The face recognition temperature measurement equipment can complete the human body detection while brushing the face, only detecting the facial temperature, the temperature measurement point is reduced, the requirements of the environment are relatively low, the stability and accuracy are higher, as long as the indoor or outdoor shade and wind blocking As long as it is indoors or outdoors in a shaded and wind-blocked place, it can measure the temperature. Face recognition temperature measurement equipment size is only 8 inches, you can move the device according to demand, in the absence of a fixed power supply with a rechargeable treasure can also complete the temperature measurement work. Only this one device can be completed on the face recognition, temperature detection, detection results voice broadcast, personal temperature data is automatically saved to the background, the entire temperature measurement process does not require the cooperation of technical personnel, as long as a security guard on the side of the supervision can be. Compared with infrared thermography equipment, there is a great advantage in price. Of course, on the current use, whether it is face recognition temperature measurement equipment or thermal imaging temperature measurement equipment, the temperature measurement process required in the epidemic can play a very good role, and carry a health code to identify the face recognition temperature measurement equipment and even gained the "digital sentinel" name. From this, we can see that science and technology can have a positive and effective impact on people's lives, and we at Hammarskj?ld Wisdom will continue to work hard to provide more quality and convenient products for everyone. Last but not least, we sincerely hope that the epidemic can end soon, so that everyone can feel the wind of freedom without restraint.