4. Mainstream engineering projectors: Compared with mainstream ordinary projectors, engineering projectors have larger projection areas, longer distances, and high brightness, and generally support multi-bulb mode, which can better cope with large scales. The changeable installation environment is very suitable for education, media, government and other fields. , Professional theater projector: This type of projector pays more attention to stability, emphasizes low failure rate, and has a strong performance in heat dissipation, network functions, and ease of use. Of course, in order to adapt to various professional applications, the main feature of the projector is its high brightness. Its brightness can generally reach more than 5000 lumens, and the higher one can exceed 10,000 lumens. Due to its large size and heavy weight, it is usually used for special purposes, such as theaters, museums, halls, public areas, and can also be used in environments such as traffic monitoring, public security command centers, fire control centers, and air traffic control centers.
6. Measuring projector: This type of projector is different from the above several types of projectors. It was called contour projector in the early days. With the popularity of grating rulers, projectors are equipped with high-precision grating rulers, and people are also called measuring projectors ( Or projectors, such as the more famous domestic measuring projector CPJ-3015 produced by Gaocheng Company). In order to distinguish it from traditional projectors, this type of projector is called a measuring projector. Its function is mainly to form an enlarged projector through the transmission of light from product parts, and then use standard film or grating ruler to determine the size of the product. Due to the development of industrialization, this measuring projector has become one of the most commonly used measuring instruments in the manufacturing industry. Scheduled projection methods are divided into vertical projectors and horizontal projectors. According to different comparison standards, it is divided into contour projector and digital projector.
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