Physical Security Engineering Studio

Animated walkthrough — 5 design tools · 8 calculators · 6 knowledge articles for security engineers

EngineersUniverse Physical Security Engineering Studio 🔐 ENGINEERING LEARNING STUDIO
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Physical Security Engineering Studio
CCTV Access Control ONVIF UL 294 OSDP PoE Intrusion Detection IBC Egress
🛠️ Design Tools 5
🧮 Calculators 8
📚 Articles 6
Camera Coverage DesignerLIVE
Calculate FOV, horizontal coverage width, and pixel density at distance for any focal length and sensor size. Supports fisheye, varifocal, and PTZ. Outputs per-camera coverage table and overlap analysis.
FOVLens CalcPixel Density
Video Storage Sizing ToolLIVE
Determine total NVR/DVR storage (TB) from camera count, resolution (MP), frame rate, codec (H.264/H.265/H.265+), motion-triggered vs. continuous recording, and retention days. Side-by-side codec comparison.
NVR SizingH.265Retention
Access Control System DesignerLIVE
Size a full access control deployment: door hardware selection (electric strike, mag-lock), reader type (Wiegand, OSDP), door controller I/O mapping, and panel layout. Outputs a credential point schedule.
OSDPWiegandDoor Hardware
Intrusion Detection Zone LayoutLIVE
Lay out intrusion detection zones across a floor plan. Select sensor types (PIR, dual-tech, glass-break, contact), assign to zones, calculate coverage area, and verify zone counts against panel capacity with ANSI/SIA CP-01 check.
PIRZone LayoutSIA CP-01
Camera Lens Angle & FOVLIVE
Horizontal, vertical, and diagonal field of view from focal length and sensor size. Coverage width at any distance.
FOVLens CalcHFOV/VFOV
CCTV Bandwidth CalculatorLIVE
Total network bandwidth from camera count, resolution, frame rate, and codec. Per-camera and aggregate Mbps output.
BandwidthH.264/H.265Network
PoE Power Budget CalculatorLIVE
IEEE 802.3af/at/bt power classes, per-port derating, cable run loss. Verifies switch power budget for mixed IP device deployments.
IEEE 802.3btPoE+Power Budget
UPS Battery Backup SizingLIVE
Size UPS for security panel, NVR, and access control equipment from load watts and required runtime hours.
UPS SizingRuntimeLoad Watts
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ONVIF Explained: IP Camera Interoperability Standards
7 min
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UL 294 Access Control Systems: What Installers Need to Know
8 min
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OSDP vs. Wiegand: Why OSDP Is the Future of Access Control
7 min
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H.265 vs. H.264: Choosing the Right Video Compression for Your System
7 min
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IBC Egress and Locking Hardware: Code Compliance Guide
8 min
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Intrusion Detection Systems Design and Integration
12 min
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