WHD500-DAT25 5.0mp Nextchip Indoor AHD Camera With manual zoom lens

Features：

1、Name：5MP AHD Module

2、Model：  5MP

3、Technical characteristics：

3.1、Image sensor OV5658，Output AHD 5MP, Effective resolution is up to 2592*1944；

3.2、OSD menu supports 12 different languages，with strong light inhibition/Mirror/BLC/DPC, 2D noise reduction function

3.3、Adopt Nextchip NVP2475H DSP, with OSD function (mirror image, color/ white-black, PAL/NTSC)；

3.4、AGC type, day-night effect is distinct, various day-night modes can be switched by OSD menu

3.5、Support UTC, various mirror modes can be switched by OSD freely, Enhancement adjustment supported by OSD

3.6、Power（600W）&Video（2KV）dual-lightning protection design, OSP antioxidant PCB, size 32*38 dual-border

Scenarios：

Apply to roads, warehouses, underground parking and other place which required definition picture quality.

Specification:                                             

FAQ:

1. How to install video server and PTZ, alarm equipment?

The role of the head is to make a fixed fixed camera rotation; and alarm equipment generally play a security role in the event of an exception to the electronic switch generated short circuit and open signal, the signal is captured, the video server can generate a local alarm The output signal can be a variety of target control; such as off-site linkage alarm, alarm signal remote transmission to the monitoring staff, causing the staff of the incident warning and can be based on the actual situation to make the corresponding alarm processing

2. How to choose a infrared camera?

Infrared camera is mainly used for the target needs day and night surveillance, with special emphasis on the need to monitor the night, and the target environment is not too strong light scene conditions. The specific choice based mainly on the camera and the target before the distance, the general distance of the infrared camera range of 20-100 meters, the farther away from the price the more expensive, while power consumption is also large.

In addition, the choice of infrared camera should consider the infrared light power switch control problems. This problem can be used both manual and automatic control.

3. Super low illumination camera and infrared led

First, you must choose the suitable lens. In order to improve the sensitivity of the camera to the infrared led and the sensitivity, as far as possible the use of large light through the lens, and pay attention to the use of auto iris or electric. Sencond, for variable lens, as far as possible to open a large aperture drive level value. Because the general increase with the focal length of the lens, the amount of light will be relatively reduced in the choice of infrared light to stay in a certain margin, and pay attention to the infrared lamp nominal indicators.

Second, the infrared led optional power supply should be as much as possible to meet the minimum required electric power, frequent exposure distance is not enough.

Third, to consider the degree of reflection of the camera scene, because the infrared light with the same visible light, such as reflection, refraction and other characteristics, so the target scene around if there is no good reflective environment (such as buildings, walls, signs) should be considered The distance margin.

4. What is the direction of monitoring system development?

The monitoring system will develop to the network, in fact, there are more and more monitoring system to implement the network transmission, some industry insiders believe that the possibility of wireless is relatively small, because any signal can interfere with the wireless monitoring equipment to receive the results, if To strengthen the signal is necessary to consider whether and mobile phones, wireless walkie-talkie to apply for a separate frequency to communicate. The question is the operator who does it? How is the system expanded after the band? These problems will hinder the development of wireless.

Another part of the industry believe that wireless should dominate the future of the network, monitoring will be to the wireless development. Now a lot of internal LAN to the wireless, the network will be a combination of wireless and wired development, the future of monitoring based on the network should also be a combination of wireless and wired development.

1). Web camera universal network camera to provide users with a very rich feature, it integrates a network server, image compression and operating system, anywhere on the network, and even anywhere in the world connected to the Internet can be seen through the standard web browser Images, companies can not use the traditional camera needs coaxial cable to re-network, thus saving a lot of money. For more monitoring systems, professional security software is installed to manage the video signals sent back from the camera. Relative to the wireless camera, its transmission in the performance and distance have certain requirements, more difficult to base on the market.

2). The advantages of the network

The growth of IT and traditional security technologies has made it possible for network technology to be used in monitoring systems, providing more and better security management options.

Network video technology that allows people to remotely monitor Internet coverage anywhere. Network cameras and video servers can be connected directly to the network. The video signal is digitally processed in the camera and transferred to the PC server via a computer network for storage. This is very useful, because the computer network can generally be used, LAN and Internet applications also makes the video signal can be remotely managed and stored. Viewing the monitor image from the web substantially reduces the cost of being traveled to and from the site being monitored. In addition, the image is safe and measurable for storage at a remote site for convenience.

Network video technology also allows users to retain their analog devices and enjoy the full benefits of digital systems. Web recording can control the existing computer architecture, network and monitor, the installation cost is cheaper. In addition, the maintenance fee is reduced, the number of movable parts is reduced, greatly reducing the need for equipment replacement. So its ownership (TOC) is low.

It is precisely because of the maturity of the network technology and monitoring system development needs of their own, making the monitoring system to the network development direction. Compared to the wireless network that is not yet widely used, its advantage is self-evident.

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