FireSecure Tools
Engineering Tools for Life Safety Systems
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DIP
Volt drop
PoE
CCTV storage
Ohm’s law
Battery (BS5839)
CCTV storage calculator
Bitrate-based estimator (Mbps per camera).
Camera count
Bitrate per camera (Mbps)
Retention (days)
Recording mode
Continuous
Motion / activity
If motion: % recording
Overhead (%)
Calculate
Notes: These calculators are for engineering estimation / planning. Verify critical results with standards, manufacturer data, and site measurement.