What are the types of projectors?

1. Household type: It is mainly used to optimize video processing. It is characterized by brightness of about 1000 lumens, high contrast ratio, aspect ratio of projected picture of 16:9, complete video ports, suitable for playing movies and high-definition TV, suitable for home users. Portable business projector: Generally, projectors weighing less than 2kg are defined as business portable projectors, which are comparable to light and thin notebook computers. The advantages of business portable projector are small size, light weight and strong mobility. It is a substitute for 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: generally located in schools and enterprises, adopting 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 engineering type: Compared with mainstream ordinary projectors, engineering projectors have larger projection area, longer distance, high brightness, and generally support multi-bulb mode, which can better cope with large and changeable The installation environment is very suitable for education, media, government and other fields.

4. Professional type: This type of projector pays more attention to stability, emphasizes low failure rate, and its heat dissipation performance, network functions, and convenience of use are very strong. Of course, in order to adapt to a variety of professional applications, the most important feature of the instrument is its high brightness, its brightness can generally reach more than 5000 lumens, the high can exceed 10000 lumens. Because of its large size and heavy weight, it is usually used for special purposes, such as theaters, museums, city halls, public areas, and can also be used to monitor traffic, public security command centers, fire and air traffic control centers and other environments.

5. Projector for measurement: This type of projector is different from the above types of projectors. It was called profile projector in the early days. With the popularization of grating ruler, projectors are equipped with high-precision grating ruler. People also call it measuring projector. In order to distinguish it from traditional projectors, this type of projector is called measuring projector. Its function is mainly to form a magnified projector through the transmission of light by the 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 testing instruments in the manufacturing industry. The way of projection is divided into vertical projector and horizontal projector. According to the different standards of its comparison, it is divided into contour projector and digital projector.