Rigid gift box is used for packaging any products you can imagine, toys, medicines, flowers, calendars, calculators, sport bottles, wine bottle, glasses, cloths, laptops, bags, etc. Rigid gift box is most important thing for packaging, and the best way to represent a concise company image to new and established clients. Some thick board made boxes are inherently strong, tough and durable can be used for long time, for example the wine box. Most of the rigid gift boxes materials are recyclable and environmental. Gift Box,Present Box,Gift Wrap Box,Blank Cosmetic Boxes Shenyang Meitu Artical Printing Co.,Ltd , https://www.meituprinting.com
Infrared dual source detector principle
An infrared dual source detector is a device that converts incident infrared radiation signals into electrical signals. It uses infrared thermal effects and photoelectric effects (dual sources) to detect infrared radiation.
Infrared dual-source detectors convert incident infrared radiation signals into electrical signal output devices. Infrared radiation is an electromagnetic wave with a wavelength between visible light and microwave, which is not noticeable to the human eye. To perceive the existence of such radiation and measure its strength, it must be converted into other physical quantities that can be perceived and measured. In general, any effect caused by infrared radiation on an object, as long as the effect can be measured and sensitive enough, can be used to measure the intensity of infrared radiation. Modern infrared detectors use mainly infrared thermal effects and photoelectric effects. The output of these effects is mostly electricity, or it can be converted into electricity by an appropriate method. An infrared detector has at least one object that is sensitive to infrared radiation, called a response element. In addition, it also includes a response element holder, a sealed housing, and a window that transmits infrared radiation. Sometimes it also includes refrigeration parts, optical parts and electronic parts.