As winter approaches, it is important to remember that cold weather can significantly impact physical security systems. Cameras, sensors, and access control systems are designed to perform reliably, but only when they are properly maintained. Neglecting these preparations can result in downtime, false alarms, or compromised protection.
Cameras: Low temperatures can slow PTZ motors, reduce battery life in wireless models, and cause condensation on lenses, affecting image quality.
Sensors: Motion detectors and infrared sensors may become less sensitive or generate false alarms due to drafts, ice, or snow accumulation.
Access Controls: Card readers, keypads, and mechanical locks are susceptible to freezing or jamming, potentially restricting access when it is most critical.
Recommendations: Make sure to do your chores ahead of the cold season. By conducting regular inspections, implementing preventitive measures, and planning for extreme conditions, organizations can maintain reliable performance throughout the season. Proactive winterization protects not only the integrity of physical security systems but also the safety of personnel and assets.
Conduct Thorough Inspections: Examine housings, mounts, cables, and connections for wear, exposure, or moisture. Early identification of issues can prevent major failures.
Utilize Weatherproof Enclosures: Ensure cameras, sensors, and other equipment are rated for low temperatures and protected against snow, ice, and wind.
Regular Testing and Maintenance: Test all cameras, alarms, and access points frequently to confirm proper operation.
Consider Heated or Insulated Equipment: Use modular heating elements or insulated enclosures where applicable to maintain functionality.
Adjust Placement and Sensitivity: Position sensors and cameras to minimize false alarms caused by snow or ice buildup, and adjust sensitivity settings as necessary.
Prepare for Power Interruptions: Cold weather can increase the likelihood of outages. Ensure backup power systems are fully operational.
By implementing inspections, protective measures, and system adjustments in advance, organizations ensure their systems remain fully operational throughout the season. Taking proactive steps now not only safeguards critical infrastructure but also minimizes disruptions and maintains confidence in overall security operations.
Learn more about common cold weather threats from the CISA.
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