Perfect Security and Back Up You Need
To achieve good quality กล้องวงจรปิด ราคา CCTV at a minimum cost, a few simple rules must be followed when selecting components. The main and most important elements of any video surveillance system are the camcorder and its lens. Most of all, the range of observation and image quality on the monitor screen depends on them.
The different companies offer practically everything that can be found on the world market. So the problem comes down to how one can navigate the thick company catalogs, the variety of models offered, the abundant specialized technical information and the inevitable abbreviations that replace whole expressions. In order not to be discouraged and quit before he or she gets a job, he or she needs a little preliminary information, and the most commonly used specialized terms are given at the end of the page.
To this end, you must first answer the questions:
What will I watch?
- What will be my damage in case of an unwanted visit by the criminals?
- How much will I lose in funds or in things that do not have an adequate monetary dimension?
- What are the limits I consider appropriate to invest in building a CCTV system?
- What are the rules for this activity? Can I choose parts of the system myself?
Only after everyone has answered these questions for himself can he open the catalogs and proceed with the selection of components for the CCTV system. Of course, the complexity of the task must correspond to the level of technical background. The simpler and smaller the CCTV system, the smaller these requirements are, the easier and less expensive it will be to build.
Types of CCTV Cameras
Internal Color / Black & White Exterior Black & White Night Vision Infrared Black & White
For many people, the main criterion for choosing is the price when looking for the cheapest product. The rule in this case is universal and it always states that each good and its quality have their price. The problem is not to buy something that is not worth the money. Poorly understood savings always entail new and generally higher costs. And each of the components in one system practically determines the level and quality of functioning of the whole system. The prices of CCTV cameras are mainly related to the value of the conversion chip (CDD matrix), its resolution, the availability of electronic lens aperture control, power quality, and more.
The basic rules for choosing a CCTV camera are:
- Scope of the surveillance area
- Camera type
- Optimal lens type
The more stringent the requirements for the system or the larger the object, the more the requirements for the system in technical terms expand. This includes complicated calculations for the depth of field of the lens and the camera, respectively (the area in which all subjects will be clearly distinguishable), the expected signal loss (picture deterioration), the minimum illumination and the resolution of the components. For larger and more complex systems, you will obviously need to seek the assistance of, or at least consult a specialist.