Simply divide the horizontal pixels of the camera resolution by the Field Of View in feet (FOV) of the observed scene . For example, a 4-megapixel camera with 2,688 horizontal pixels used to cover a loading dock with a 100-foot FOV, pixel density would be approximately 27 PPF.
Read moreHow much HDD do I need for CCTV?
However, as a rule of thumb, at the recommended resolution (1080p), recommended frame rate (6fps) and recommended normal 24/7 recording if 500GB is allowed for each camera 24 days of footage will be stored .
Read moreHow long does 2tb record for?
Depending on the number of cameras you have connected to the DVR and the recording resolution of those cameras, generally: 500 GB = up to 6 months of recording 1 TB = up to 12 months of recording 2 TB = up to 24 months of recording The more cameras you have connected to the DVR, the shorter this time frame.
Read moreHow do you calculate video recording?
First, calculate the raw storage capacity required by a single video every day. Calculate the raw storage capacity required by a single video for 30 days. Finally, calculate the raw storage capacity of 100 channels of videos in 30 days. [2Mb/s*3600s/h*24h]/8*30*100=63300GB/1024=61.8T.
Read moreHow long will 1TB CCTV record?
How long can a HDD record for your DVR/NVR? Recording channels500G HDD1TB HDD4 channels9.7 daysNineteen days8 channels4.8 daysTen days16 channelsFour daysEight daysHow long can 500GB/1TB/2TB/3TB hard drive record? – Unifore www.unifore.net › ip-video-surveillance
Read moreHow much CCTV storage do I need?
The following two metrics should provide a range: 80% of surveillance cameras use between 60GB to 600GB of storage . 99% of surveillance cameras use between 6GB and 6TB of storage.
Read moreHow is CCTV calculated?
CCTV Camera Storage Calculation Formula
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