IP & NEMA Ratings of CCTV Products

This FAQ discusses two commonly used rating systems to indicate how well an electronic product will withstand environment factors. The “IP” rating system officially stands for “Ingress Protection”. The NEMA rating system is similar to the IP system but also rates the degree of protection against corrosion, gasket aging, and construction practices.


Should You Use A Low Lux Or An Infrared Camera?

Question: I would like to know what would provide a better picture at night… a low lux WDR (Wide Dynamic Range) camera with an external light source, or an infrared camera with no light source? Answer: This is a great question and one that I get all the time. The answer is, of course, “it […]


Using A Portable CCTV Test Monitor

If you are installing more than just the occasional camera or if one of your responsibilities is maintaining a video surveillance system, then there is a tool out there just waiting for you to discover. Let me be the first to introduce you to the advantages of using a portable CCTV test monitor like the […]


Maintaining Your DVR

With the breakneck speed of ever improving technology it is getting easier to get more results with less work. I have not memorized a phone number in years. In fact if it weren’t for spell check you may think an eight year old was putting these words to screen. When we don’t use things we […]


Caption Contest: Open Arms

Caption contest for the week of July 15, 2011: Open Arms! “Welcome to Fantasy Island!” – Maureen P “I love her this much.” – Chris B “Jump! I’ll catch you!” – Maureen P “Honey…. I can explain….” – Karen C “I’m busy, can’t this photo wait?!” – Eli O “Hey c’mon now– I love her like a SISTER….” – Cathy P […]


Capturing License Plates On Security Cameras

One of the most common requests in security camera system design is capturing license plates. Unfortunately, one of the most difficult things to do in any security camera system design is capturing license plates. For years there has been a desire to capture video of vehicle license plates both sitting still and in motion. Traditional […]


How Many Days Will My DVR Record?

This is a very common question with a very simple answer; it depends. For those of you looking for a more complete answer I will go a little deeper. The amount of recording time the DVR can save is based on a few variables. They are the Hard Drive Size, Record Mode, Record Quality, Frame […]