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Earthquake Detector Alert Alarm - Pgs-047
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Here are some of the great features of Earthquake Detector Alert Alarm - Pgs-047
Earthquake Alert PGS-047, PGS-047 earthquake alarm has two sensors, the sensor in the left side if for detecting the P wave and the other sensor in right side is for detecting the S wave, so, the item can detect the P wave except the shallow earthquake, maybe it can't be detected sometimes. After the P wave, the S wave also can be detected, it will make different sounds when detected the P wave and S wave. S wave (red light( is the destructive earthquake wave and the alarm will detect first the compression waves (P waves --red light) with a particular sound. The time between both alarms are apron 10-15 seconds. When the S wave is coming to your area then the alarm will change its sounds. So, there is two types of sounds for each distinct wave. The yellow LED will be flashing when the batteries energy is low (2 AAA included). 3 easy steps to install: 1. You can stick it to the wall or hang it (adhesive paper, screw and screw anchor are included). 2. Keep the top bubble in the center of the circle. 3. Turn the switch on. ...
- Easy to install and use: Stick the magic tape on the back of the item that can be attached on the wall or there is a hole on the back that also can be hung on the wall
- This earthquake alarm can detect the P wave, it has been tested by the Taiwanese National Center for Research (the seismic simulation tests are accordance with Chi-Chi TCU 129, Taiwan, 9/21/1999), and it is also patentized in USA, Japan, China and Taiwan.
- Detects earthquakes greater than 3.0 magnitude
- This earthquake alarm detector can't be affected by any surrounding or environment sound, it only detects quake's wave
- After triggered the sensors of the P wave and S wave, the item will sound, around 7 seconds later, the sound will stop automatically.
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