Dallmeier high-speed HD PTZ cameras
With the DDZ4220HD and DDZ4230HD Dallmeier offers HD PTZ cameras with a resolution of up to two megapixels.
The cameras of the series DDZ42xxHD are high-speed HD PTZ dome network cameras. They are equipped with a high-performance Pan-Tilt-Zoom mechanism and provide real-time high-definition video with up to 30fps at a resolution of 2MP. The most advanced sensor and encoder technology and the sophisticated image processing provide recordings with excellent contrast, brilliant clarity as well as highest detail resolution and colour fidelity.
The DDZ4220HD features 20x optical zoom and the DDZ4230HD 30x optical zoom with auto-focus. The high zoom factor allows for the easy and discreet surveillance even of faraway objects. Functions like “Digital WDR (Wide Dynamic Range)“ and “3D DNR (3D digital noise reduction)“ guarantee good image quality.
The very good light sensitivity of the sensor and the sophisticated image processing ensure crisp colour images even in low lighting. In night mode, the cameras also provide outstanding results due to the very good infrared sensitivity. The PTZ cameras are equipped with a removable IR cut filter, and can automatically switch between day and night mode. In addition, different day and night presets for the exposure settings can be defined and adjusted.
Up to 128 preset positions and 32 tours can be programmed. Particularly useful in that regard are the adjustable alarm actions with contact closure: If a certain contact is closed i.e. triggered, for example by opening an entrance door, the camera automatically moves to the programmed preset position of the relevant scene.
The DDZ4220HD and DDZ4230HD are equipped with a RAM memory that is used by the EdgeStorage function for storing the video stream in case of a network failure. When the network is restored, the SmartBackfill function ensures a fast transmission to the SMAVIA recording system. This stores the video stream with high speed and then continues the recording of the live stream seamlessly.
The PTZ dome cameras are available in an in-ceiling, surface or weatherproof housing. The in-ceiling variant of the camera is tested according to the stringent requirements of the UL 2043 relating to flame retardancy and low smoke emission. Thus, it is approved for installation in air-conducting space, for example in air shafts or false ceilings dissipating the air to a central air conditioning.
The PTZ cameras can be conventionally supplied with 24 V AC or conveniently with Power over Ethernet (PoE+).
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