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Choice a camera of surveillance monitoring system

    

The current camera equipment brands, a wide range of needs based on user demand, on-site environment, installation, be selected.

 First, the choice of camera appearance

 Gun-type surveillance cameras suitable for all occasions

 1 / 2 "CCD suitable for targeting large multiples of long focal length lens, surveillance of large, high-image quality requirements of the outdoor environment

 1 / 3 "CCD or less suitable for higher image quality, targeted for Coke or conventional zoom lens of occasions

 Integration of cameras (including one with the machine PTZ) for image quality requirements in general, monitor the scope of smaller, less investment projects of the occasion, indoor / outdoor can be used

 Hemisphere-hidden cameras suitable for indoor installation, image quality not too beautiful, hidden installation for the primary purpose of occasions

 Smart-ball machine suitable for indoor / outdoor environment, pay more attention to the overall use of camera equipment features and ease of installation of hidden beauty, image quality requirements in general

 Other special-shaped camera ( pinhole, the flying saucer, etc.) suitable for indoor environment with special installation requirements

 Second, determine the type of camera

 Color Camera for more adequate in the light of the environment

 Black and white video camera monitoring the environment suitable for all, especially the lower illumination of the environment, and can assist with infrared lighting to achieve the night monitoring and control

 Color to black and white (monochrome) camera for changes in light, day and night surveillance photos of the occasion demands higher

 3CCD color camera suitable for large investment, high image quality requirements of occasions

 Third, identify indicators of the camera

 Definition of 450-480 (color) 560 lines (black) high-resolution, high image quality requirements

 330 lines to 420 lines (colour) 380 lines (black) general clarity, if the image quality not high.

 Sensitivity of 0.1 lux (color) 0.01 lux (black) Minimum illumination for inadequate lighting in the monitoring occasions

 2lux (color) 0.1 lux (black and white) of conventional  suitable for a well-lit, the night-time surveillance of occasions not high.

 Electronic shutter automatic / manual to meet the camera lens to expand the scope of sensitivity

 AGC automatic extension of the camera lens can cope with the sensitivity of the

 Backlight compensation automatically or menu settings suitable for fixed-point surveillance of the backlight monitor the environment

 More than 48 dB signal to noise ratio of high-quality, suitable for low uptake Scene

 45 to 48 dB general quality, suitable for little change or a well-lit environment

 White Balance ATW suitable for the color temperature in the scene during the filming of the changing occasions

 ACW can be found suitable for white reference objectives of the environment

 Glare suppression suitable for surveillance at the scene often great contrast between the strong light of occasions

 AC24V/DC12V power supply means AC220V or other front-end equipment based on the configuration chosen in a special safety requirements need to use low-voltage power supply voltage used cameras.

V800X/V900X Network video server


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