Biased magnetic contacts are primarily used for what type of applications?

Biased magnetic contacts are primarily used in high-security applications because they provide a greater level of security compared to standard magnetic contacts. These devices are designed to be more resistant to tampering and bypass techniques. The biased mechanism incorporates a magnet and a switch that are attracted to one another, but with a specific alignment that needs to be maintained. If the door or window being monitored is forced, or if someone attempts to manipulate or reposition the magnet, the circuit will break, thereby triggering an alarm.

In high-security environments, such as military facilities, data centers, or banks, it is crucial to have alarm systems that can withstand various forms of attack. Biased magnetic contacts offer a reliable solution due to their enhanced tamper-resistant features, which reduce the likelihood of false alarms while providing confidence in the integrity of the security system.

The other applications mentioned, such as residential security or commercial access control, may use different types of contacts that are sufficient for their level of risk but do not require the higher level of security afforded by biased magnetic contacts. Casual surveillance usually employs less sophisticated systems, as the focus is on monitoring rather than advanced security measures.