New product for abnormal temperature alarms that detects abnormal temperatures in home appliances and industrial equipment.

■Overview of Abnormal Temperature Alarm Device
1. This is an abnormal temperature alarm device that consists of a general security alarm circuit made up of an alarm device, a pin switch, and a battery (DC 4.5V), with a wired temperature memory sensor (switching function) connected to the circuit. It is an eco-friendly product with zero standby power consumption. (Set temperature: 80°C.)
2. The pin switch is equipped with a strap and serves as the test switch (push button) for the alarm device. It also functions as an emergency switch.
[Note 1]: The temperature memory sensor is equipped with a shape memory alloy coiled around a wire. When the surrounding temperature reaches the set temperature (80°C), the wire softens, and the shape memory alloy constricts the wire (restores), short-circuiting the two wires to detect the temperature and send a signal. However, the softening temperature of the wire and the restoration temperature of the shape memory alloy are the same (set temperature: 80°C).
3. The wired temperature memory sensor/alarm device is installed in household appliances, industrial equipment in factories, and electrical devices.
4. For example, when an abnormal temperature occurs in household appliances, industrial equipment in factories, or electrical devices, the temperature memory sensor detects the abnormal temperature and alerts the surroundings through the alarm device.
5. In this way, abnormal temperatures in household appliances, industrial equipment in factories, and electrical devices can be detected early, preventing damage to the equipment and potential fires.
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Installed on home appliances and industrial equipment, it detects abnormal temperatures with a temperature memory sensor and alerts with an alarm.