Capacitance intrusion detection systems are commonly used to protect safes, file cabinets, and other high-value assets. They operate by detecting changes in the electromagnetic field around the protected object.

How It Works:

A small capacitance field is established around the safe or file cabinet.

Intrusions or tampering (e.g., drilling or physical contact) disturb this field, triggering an alarm.

Advantages:

Highly sensitive to unauthorized access attempts.

Useful for non-movable, high-security assets.

CPP® Context and Significance:

Physical Security Standards: Focus on integrating capacitance detection for high-value asset protection.

Layered Security: Recommends capacitance systems as part of a multi-layered security approach.