The utility model can directly replace mechanical oil pressure alarmsensor.
本实用新型可以直接取代机械式机油压力报警传感器。
2
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarmsensor based on pulse-width anti-narrow is proposed.
为了减少无人看守的水池或游泳池中小孩的溺死事件，提出了一种基于脉宽反窄的水池警报传感器设计方法。
3
Pyroelectric infrared sensor is widely used in alarm, and the field of moving human body detection.