500 TVL Vandal proof Dome CCTV Camera SR-433CHDIR
A 500 TVL high-resolution‚ color Vandal-proof Dome CCTV Camera armed with the latest CMOS image sensor approaches to provide crisp‚ aperture corrected images for surveillance applications requiring step-by-step images‚ even under extreme illumination conditions.
The Vandal-proof Dome CCTV Camera provides vandal proof protection‚ for either ceiling or wall mount‚ full of 1000 kg impact-resistant metal protective shell.
Specifically built to withstand the kind of physical abuse and random vandalism encountered in public places areas‚ both outdoor and indoor. It provides twisted pair output and cable for easy local setup and external anti-tamper fixing screws.
Infra-red (IR) cut-off filters are utilized with color CMOS cameras to produce accurate color images. An IR cut-off filters blocks the transmission of the infrared light while passing the visible light. This really is finished with two optical practices: absorption or reflection.
Absorptive filters are made with special optical glass that absorbs near infrared radiation. Reflection type filters are short-pass interference filters that reflect infrared light with high efficiency.
The absorptive filters usually are helpful for CMOS cameras since the reflective IR filters are utilized for CMOS cameras.
As modern Vandal proof Dome CCTV Camera and web cams and so forth all have an extensive visible spectrum, they can all see IR light to some degree. This would be blocked to allow correct reproduction of color from the camera, but naturally it will perhaps not be blocked to allow the camera to see IR light for night vision.
Near-infrared light, which spans from 700 nano meters (nm) around about 1000 mm, is beyond what a person’s eye is able to see, but most camera sensors can detect it and apply it. Each day, daily and night camera uses an IR-cut filter.
IR light is filtered out so that it wont distort the colors of images since the eye sees them. When the camera is in night (black and white) mode, the IR-cut filter is removed, allowing the camera’s light sensitivity to achieve as a result of 0. 001 lux or lower.
Vandal proof Dome CCTV Camera.
1/4″ CMOS Chipset.
High definition 500 TVL.
Wide angle 3. 6 mm Lens.
24 x 5 IR light emitting diodes.
20 Meters Night Vision or IR distance.
IR cut Filter enhanced.
|Signal System.||Vandal proof Dome CCTV Camera NTSC/PAL.|
|Lens.||3.6mm fixed lens.|
|Min. Illumination.||Color (0.1Lux), Black and White (0Lux LED on).|
|S/N Ratio.||More than 50dB.|
|IR Distance.||20 Meter.|
|LED wave length.||24units 850nm Infrared LED.|
|LED Auto Switch.||Night/Day，ON/OFF.|
|Video Output.||Composite Video Output( VBC: 1.0Vp-p;75Ω BNC).|
|Operation Temperature.||(-20℃ to +60℃).|