Dome Security Camera
Dome Security Camera, 40, “”, “”, “”, “”, “”, “”, “”, “”, “”, “”, “2″, “”, “4″
The common sayings “every little bit helps” and “something is better than nothing” apply in the case of security systems. Even the most basic of set ups will help a homeowner or business person feel more protected. Nothing is fail-safe, of course and not even the most expensive system available can guarantee security. On the other hand, the visual presence of even a cheap system may well make someone intent on harming building or grounds change their mind. Since it is not easy to tell how good a security camera is when it is in place most perpetrators will choose to play it safe.
You will often find cheap security cameras, usually in a kit with a video monitor, at home improvement stores and even some discount stores. These kits normally have four cameras and setting these up is not too difficult. The hardest part is hiding the cameras’ power supplies and the many cables. With a bit of work, however, if someone has ever extended the phone lines in their own home or installed television cable, they can get the job done well.
Of course, if the wiring for the system is not hidden properly or can be gotten to easily, then the system can easily be taken out of commission by those intent on evading detection . So it pays to spend some time making sure that is all hidden and secure. Also, it is crucial to put the other parts of the system, such as the recorder, in a safe place so that the pictures are readily available and secure.
It’s important to realize that your security needs dictate saving your camera’s images .
Once the system is in place it is well to consider how you will maintain the images that you have recorded. Many times a problem occurs but it takes awhile to realize it. Therefore, the person using the cheap security cameras to protect their business or home may have simply used the same digital disk or tape over again, recording over the images needed before the problem is recognized.
To prevent this it is wise to make a systematic decision on how long to keep the recorded images. The industry standard is to keep everything for at least 30 days and to use a new tape or disk every day. Of course, this can be varied depending on your circumstance. And even when using quality recording equipment with cheap security cameras the recording tapes should be used no more than 10 times before being replaced to prevent problems from worn or broken tapes.
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Dome Security Camera, 60, “”, “”, “”, “”, “”, “”, “”, “”, “”, “”, “2″, “”, “”
Security camera blows a fuse in the powerbox everytime we try to connect it?
When installing additional sony dome cam (vc-ca-domir2850) the camera would not turn on and keep blowing a fuse in the powerbox. To test the camera we took a working camera from dif location and it also blew a fuse. When we put back the working cam in its orig location it still worked. Second test was to plug in the extra camera into the location where the camera works. It blew a fuse. Problem: when we hooked up a camera that used to work fine after the extra cam blew a fuse it started doing the same thing. Everytime we replace a fuse make sure nothing is shorting etc.. and turn it on – it blows a fuse in the powerbox. We are really confused as to what could cause that. All cameras are compatable and nothing in powerbox is shorting.. and the + and – are in right places. Anyone had similar problem before?
I’ve been troubleshooting electronic systems for years and sometimes things don’t seem to make sense.
A good way to isolate the problem and to make sure it is not the wiring is to connect one camera to one power supply right next to it which would bypass any installed wiring. Check each camera and each power supply (if there are more than one) this way. Make sure every camera works with the power supply. Then connect one working camera and power supply combination to one installed wire run. Check each wire run this way. The problem pretty much has to be a camera, wiring or a power supply.
Another thing to check with a multimeter is to make sure the cameras are getting the right voltage from the power supply (12 volts DC).
It is also possible that the video equipment that the camera is connected to may have a bad ground or a different ground potential than the power supply. You can check that by connecting the power supply first and then connect the video to see if that blows the fuse. There are video isolation transformers that would fix that problem.
