Surveillance Equipment
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Okorder.com is a professional Surveillance Equipment supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Surveillance Equipment firm in China.Hot Products
FAQ
- Monitor knowledge! How much Angle camera is best for the 1.2m x 20 m?
- It is best to use the 6mm and the above mm for the 1.2m floors, and the 3 m x 5 m room is the best for 3.6. Depending on whether you need the night vision function, select the camera to be the infrared function!
- What is zoom in the surveillance camera
- This concept of the camera is a principle, the object is small, the scope is relatively large, the distance also follows. The opposite is true. Camera is the most critical equipment, video surveillance systems (indicators) of its quality fit and unfit quality directly affect the camera machine, therefore, whether the camera and the choice of appropriate both to system quality, and is related to the project cost.
- What is the meaning of F1.0 f1.1.2 F1.4 in the camera? What's the difference? Detail point
- It is the aperture value of the lens, the larger the aperture value, the smaller the aperture value. The top aperture is F1.0 > F1.2 > F1.4, with a certain shutter time, the larger the aperture (the smaller aperture value), the more the light will be, the brighter the image will be, and vice versa.
- The monitoring camera has 3.6 mm and 3.2 mm. What is the difference?
- It refers specifically to the size of the lens, which can be distinguished by the depth of the field and the size of the image. The smaller the lens is, the smaller the image is, and the larger the image is, the larger the scope is. This is something that you have to think about before you install the camera, the size of the object, the object spacing, the size of the lens, the size of the CCD, the size of the CCD.
- What is the Angle of the surveillance camera
- Therefore, when it is necessary to monitor the panorama to see the local, it is generally considered that the electric two variable or electric three-variable lens should be considered. Of course, using high resolution cameras and monitors can also see the local details of the objects being monitored for an hour when the camera is selected
- My surveillance camera is not video in the evening, what is the matter?
- Your monitor should be infrared. If there is an image during the day, there is no image at night, it may be that the red light will be opened at night and the power supply will be larger than that of the day. But you don't have enough power. Maybe that's the reason.
- The camera should be able to see the plate with a few millimetres of the plate.
- See the detailed rules = 2 * X physical features = X behavior = X / 2 (lens and measured distance is X meters, focal length is mm)
- Monitor the difference between the lens of the millimeter
- The lens angle of view of the scene is a very important parameter, the lens field angle with the lens focal length and camera size changes (the relationship between the changes described above), covering the scene lens focal length
