What are the types of projectors?
1. Home use type: it is mainly used to optimize the video, which is characterized by brightness of about 1000 lumens, high contrast, 16:9 aspect ratio of projection picture, complete video ports, suitable for playing movies and high-definition TV, and suitable for home users. Portable business projector: generally, a projector weighing less than 2kg is defined as a business portable projector, which is as heavy as a light laptop. The advantages of business portable projector are small size, light weight and strong mobility. It is the substitute of traditional slide projector and large and medium-sized projector. The combination of light and thin notebook computer and business portable projector is the first choice for mobile business users in mobile business demonstration.
2. Educational conference type: it is generally oriented to school and enterprise applications, with mainstream resolution, brightness of about 2000-3000 lumens, moderate weight, good heat dissipation and dust prevention, suitable for installation and short-distance movement, rich functional interfaces, easy maintenance, relatively high performance price ratio, suitable for mass purchase and popularization.
3. Mainstream project type: compared with the mainstream ordinary projectors, the project projectors have larger projection area, longer distance and high brightness, and generally support multi light bulb mode, which can better cope with large and variable installation environment, and are suitable for education, media, government and other fields.
4. Professional type: this kind of projector pays more attention to stability, emphasizes low failure rate, and has strong heat dissipation performance, network function, convenient use, etc. Of course, in order to adapt to a variety of professional applications, the most important feature of the shadow instrument is its high brightness, which generally can reach more than 5000 lumens, and the high one can exceed 10000 lumens. Due to its large volume and heavy weight, it is usually used for special purposes, such as theater, museum, great hall, public area, and also for monitoring traffic, public security command center, fire control and air traffic control center.
5. Measuring projector: this kind of projector is different from the above kinds of projectors. It was called contour projector in the early days. With the popularization of grating ruler, all projectors are installed with high-precision grating ruler, which is also called measuring projector. In order to distinguish from the traditional projector, this kind of projector is called measuring projector. Its main function is to form an enlarged projector through the transmission of light, and then determine the size of the product with standard film or grating ruler. Due to the development of industrialization, this kind of measuring projector has become one of the most commonly used measuring instruments in the manufacturing industry. The regular projection mode is divided into vertical projector and horizontal projector. According to different standards, it can be divided into contour projector and digital projector.