Surveillance Cameras Purchase Precautions Surveillance Cameras Are Important in Surveillance Systems. Selecting Surveillance Equipment has always been a “problem of agingâ€. Some users always have doubts when purchasing surveillance equipment. A suitable device has become a very tangled problem for users. Today, we talked with you about what you want to do with your surveillance camera. We hope to provide some references for everyone's purchase.
1. Analog and network equipment Many "stupid" can not distinguish between analog devices and network equipment In fact, this problem is better resolved, home users generally do not have this problem, because the current market for home monitoring equipment are network cameras. Commercial project applications should be specifically equipped for specific projects without the need for uniform alignment.
Important projects, important locations must choose network monitoring equipment, such as bayonet monitoring, financial industry, etc., and some optional monitoring corners, you can use analog monitoring equipment, both to meet the needs of the use but also to maximize the benefits .
2. The choice of focal length The focal length of the optional monitoring equipment is actually to select the monitoring perspective, and the length of the focal length affects the size of the perspective. Of course, now the market has a zoom lens monitoring equipment, users can choose according to demand, because the price of zoom lens equipment to be relatively high, so buy products or to consider their own price.
If the monitoring site is relatively empty, such as promenades, corridors, etc., the user needs a monitoring device with a large focal length, and the specific data should be selected based on the actual monitoring distance. If the monitoring area is narrow, such as monitoring the environment within the elevator, it is necessary to select Small focal length lens, the wide-angle lens.
3. Low illumination purchase Because each project has different requirements for monitoring equipment, but many projects require monitoring equipment to support low illumination, that is, the minimum illumination is as low as possible, the equipment can work normally. However, because there is no uniform standard for low illumination, all manufacturers use their own standards to measure the minimum illumination. Therefore, when users purchase equipment, they can only know the actual application of the equipment through the data. Therefore, before the purchase, the user can actually test the minimum illumination. Next, do a good job of purchasing equipment to meet your own needs.
Of course, now the camera also involves many other features, such as wide dynamic, strong light suppression, day and night conversion, infrared light and other functions, these functions as long as the user can choose according to their needs, without having to buy too much useless equipment, not only increase the operation The difficulty, the overall cost-effectiveness of the equipment will also be low.
Network monitoring equipment application analysis Secret 1: DVR is the best and greatest CCTV security technology fact: Not only some people think that digital video recorder (DVR) is the latest and best technology, but also people mistakenly believe that DVR is already fully digital Network technology, in fact, it is not.
The DVR does have many advantages compared to traditional video cassette recorders (VCRs) such as: no tape replacement, consistent image assurance, and fast search capabilities. But you still can not get rid of those complicated analog video cables, they will greatly reduce the quality of the image, and the entire system down the price is quite expensive. IP monitoring has all the advantages of DVR and there are more advantages that DVR does not have.
Scalability. IP monitoring does not have such limitations as 16-way DVRs, and can scale from one to more than one thousand. IP monitoring can provide real-time, user-selectable, frame-rate output indefinitely.
More economical and efficient infrastructure: Most of the existing devices are connected by twisted pair, which provides good preparation for IP monitoring. You can easily do everything by simply accessing the network cable. Because all data, video, sound, and others are transmitted and managed through network lines.
Remote controllability: All video information, whether live or recorded, can be securely accessed anywhere in the world.
Smart Cameras: Dynamic monitoring, emergency handling, alarm device input, delayed output, log management, and other built-in features allow the camera to intelligently choose when and where to send information to, and even at what frame rate And resolution can be sent out.
Lower system cost: IP monitoring system is the most economical choice among all the installation methods. It is based on open standard network protocols, which makes it stand out from the DVR's advantages. Need to store image information? It's just a problem with a hard drive. Its simple installation and simple maintenance are far beyond DVR's.
DVR is not a final solution, and it seems to be a more appropriate milestone on the way forward for CCTV monitoring technology. With the market's further understanding of DVR, people will gradually realize that DVR is an outdated technology. The narrowness of its system will surely make it gradually withdraw from the historical stage, and IP surveillance technology will be gradually superior to DVR. It is recognized by people. These are two very different technologies and the market has begun to realize this.
Secret 2: IP technology is an immature technology. If it is already mature, it should have occupied the market long ago.
Fact: This question touches more on the security market structure and the user's buying habits, and has nothing to do with the performance and reliability of IP surveillance solutions.
IP monitoring is a relatively new technology and it currently has a strong competitor, the DVR. Many people will want to keep their existing equipment. This is a common prevailing psychological, and DVR gives customers the illusion that it does not waste the existing investment. We have to say this is natural. Correspondingly, IP technology, as a brand-new digitalization concept, needs time to gradually instill this concept into system integrators and consulting service providers to gradually overcome the traditional concepts inherent in people's hearts. I believe everybody remembers how long ago the word word processing program replaced the traditional WPS word processing program. Isn't it long? How long is the video cassette VCR replaced by the latest DVD? From this it can be seen that the technological gap needs to be overcome in time.
In fact, more and more cases of IP surveillance solutions are being made, and the number of system integrators has grown rapidly. We believe that in the near future, the market will recognize the superiority of IP surveillance, and we will certainly see a large amount of demand emerging.
You may think that our argument is not convincing. Well, just take a look at these giants such as IBM, Cisco, and Proxim all entering the field of network monitoring in the near future. You may understand the direction of the market.
1. Analog and network equipment Many "stupid" can not distinguish between analog devices and network equipment In fact, this problem is better resolved, home users generally do not have this problem, because the current market for home monitoring equipment are network cameras. Commercial project applications should be specifically equipped for specific projects without the need for uniform alignment.
Important projects, important locations must choose network monitoring equipment, such as bayonet monitoring, financial industry, etc., and some optional monitoring corners, you can use analog monitoring equipment, both to meet the needs of the use but also to maximize the benefits .
2. The choice of focal length The focal length of the optional monitoring equipment is actually to select the monitoring perspective, and the length of the focal length affects the size of the perspective. Of course, now the market has a zoom lens monitoring equipment, users can choose according to demand, because the price of zoom lens equipment to be relatively high, so buy products or to consider their own price.
If the monitoring site is relatively empty, such as promenades, corridors, etc., the user needs a monitoring device with a large focal length, and the specific data should be selected based on the actual monitoring distance. If the monitoring area is narrow, such as monitoring the environment within the elevator, it is necessary to select Small focal length lens, the wide-angle lens.
3. Low illumination purchase Because each project has different requirements for monitoring equipment, but many projects require monitoring equipment to support low illumination, that is, the minimum illumination is as low as possible, the equipment can work normally. However, because there is no uniform standard for low illumination, all manufacturers use their own standards to measure the minimum illumination. Therefore, when users purchase equipment, they can only know the actual application of the equipment through the data. Therefore, before the purchase, the user can actually test the minimum illumination. Next, do a good job of purchasing equipment to meet your own needs.
Of course, now the camera also involves many other features, such as wide dynamic, strong light suppression, day and night conversion, infrared light and other functions, these functions as long as the user can choose according to their needs, without having to buy too much useless equipment, not only increase the operation The difficulty, the overall cost-effectiveness of the equipment will also be low.
Network monitoring equipment application analysis Secret 1: DVR is the best and greatest CCTV security technology fact: Not only some people think that digital video recorder (DVR) is the latest and best technology, but also people mistakenly believe that DVR is already fully digital Network technology, in fact, it is not.
The DVR does have many advantages compared to traditional video cassette recorders (VCRs) such as: no tape replacement, consistent image assurance, and fast search capabilities. But you still can not get rid of those complicated analog video cables, they will greatly reduce the quality of the image, and the entire system down the price is quite expensive. IP monitoring has all the advantages of DVR and there are more advantages that DVR does not have.
Scalability. IP monitoring does not have such limitations as 16-way DVRs, and can scale from one to more than one thousand. IP monitoring can provide real-time, user-selectable, frame-rate output indefinitely.
More economical and efficient infrastructure: Most of the existing devices are connected by twisted pair, which provides good preparation for IP monitoring. You can easily do everything by simply accessing the network cable. Because all data, video, sound, and others are transmitted and managed through network lines.
Remote controllability: All video information, whether live or recorded, can be securely accessed anywhere in the world.
Smart Cameras: Dynamic monitoring, emergency handling, alarm device input, delayed output, log management, and other built-in features allow the camera to intelligently choose when and where to send information to, and even at what frame rate And resolution can be sent out.
Lower system cost: IP monitoring system is the most economical choice among all the installation methods. It is based on open standard network protocols, which makes it stand out from the DVR's advantages. Need to store image information? It's just a problem with a hard drive. Its simple installation and simple maintenance are far beyond DVR's.
DVR is not a final solution, and it seems to be a more appropriate milestone on the way forward for CCTV monitoring technology. With the market's further understanding of DVR, people will gradually realize that DVR is an outdated technology. The narrowness of its system will surely make it gradually withdraw from the historical stage, and IP surveillance technology will be gradually superior to DVR. It is recognized by people. These are two very different technologies and the market has begun to realize this.
Secret 2: IP technology is an immature technology. If it is already mature, it should have occupied the market long ago.
Fact: This question touches more on the security market structure and the user's buying habits, and has nothing to do with the performance and reliability of IP surveillance solutions.
IP monitoring is a relatively new technology and it currently has a strong competitor, the DVR. Many people will want to keep their existing equipment. This is a common prevailing psychological, and DVR gives customers the illusion that it does not waste the existing investment. We have to say this is natural. Correspondingly, IP technology, as a brand-new digitalization concept, needs time to gradually instill this concept into system integrators and consulting service providers to gradually overcome the traditional concepts inherent in people's hearts. I believe everybody remembers how long ago the word word processing program replaced the traditional WPS word processing program. Isn't it long? How long is the video cassette VCR replaced by the latest DVD? From this it can be seen that the technological gap needs to be overcome in time.
In fact, more and more cases of IP surveillance solutions are being made, and the number of system integrators has grown rapidly. We believe that in the near future, the market will recognize the superiority of IP surveillance, and we will certainly see a large amount of demand emerging.
You may think that our argument is not convincing. Well, just take a look at these giants such as IBM, Cisco, and Proxim all entering the field of network monitoring in the near future. You may understand the direction of the market.
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