Characteristics of CCTV Cameras

How to choose a CCTV camera

CCTV means closed circuit television, and is a system of security cameras all of them connected to a system of monitoring. Since CCTV cameras are gaining popularity and are more accessible in terms of price, the owners may feel more comfortable knowing that they can make their personal properties. Continue reading the information to learn more about them and how to make an informed purchase.

Evaluate your needs

Control inputs and outputs in general of a property? Would you like to see the faces, the merchandise, the crowds? Do you need wireless or wired CCTV security systems? A system of interior closed-circuit cameras is necessary and / or outside? Will benefit you a network IP camera? Is a 1, 2, 8, or 16 camera system necessary? What is your budget?

Select the type of CCTV camera

Based on your needs and the environment you are going to burn, you have to select the camera that will be best for you.

  • Wired: A standard wired color security camera. Most security cameras wired today are indoor / outdoor and have a go (infrared) cut filter for night vision (night vision image is in black and white to enhance the contrast and detail of the image). Wired cameras are available on BNC or terminations DIN (connection ports) and require video extension cables.
  • Wireless: More and more people are turning to wireless cameras as a cost-effective way to build a comprehensive surveillance system in your home or business. Latest wireless digital cameras are safe, free of interference from household devices, and offer clear videos and audio.
  • IP / network: IP (Internet Protocol), or network cameras are another option. These cameras are connected to a router from your computer as if it were a computer or other device of viable network. Network IP cameras allow you to access cameras from remote locations via the Internet. Many of them also give you the option to record video directly on your computer or on a network (NVR) video recorder. (We recommend reading: CCTV IP cameras vs )).

The type and quality of the CCTV camera image sensor

Security cameras produce images using CMOS or CCD (Charge Couple Device) chips. Tiny and low-priced cameras usually use CMOS technology, produce a video of poor quality and have very poor sensitivity to light. A decent quality and better technology of cameras use CCD. The size of the CCD chip is typically 1/4 “, 1/3” and 1/2 “.” As a general rule, the larger the size, the greater the quality of the image produced and the greater the price. However, higher-density chips CCD 1/4 “and 1/3” can produce good images as many of the old 1/3 chips “or 1/2”.

Selection between white CCTV cameras and black or color

If you are using the cameras in an environment where there is low light, it is recommended to buy black and white CCTV camera. Single color should be considered for indoor use where light conditions are good. However, color cameras are suitable for indoor or outdoor applications. Many high resolution color cameras now use a filter IR integrated vision of night court.

Light level of the CCTV camera

One of the most important specifications is the light level. Light levels are measured in “lux”, the lower is the number, less light is required to reproduce a clear picture.

CCTV camera resolution

The greater the number of the resolution, the sharper the image will be. Entry level camera resolution is 330 lines, high resolution cameras produce better than 400 lines.

Monitor for CCTV cameras

Select a monitor that fits with your CCTV camera resolution

Recorders for CCTV cameras

DVR (digital video recorder) that recording to hard drives is the best choice. We recommend also read: security cameras for business).

We remind you that within our site’s security cameras cameras can find cctv and IP cameras of the highest quality. We invite you to see our product catalogue click on: sale of surveillance cameras.

 

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