Simple single-stage S-wave seismic sensor
- Specifiable horizontal acceleration: 100–170 gal
- Highly visible indication of operating status
- Certified by the Tokyo Fire Department (form No. 76E-1025)
The model V-725 is vibration-sensing equipment that can be used with a boiler or warm air heater. When earthquake vibration exceeding the preset value occurs, the unit’s internal electrical circuit will cut off automatically, shutting down the connected combustion equipment.
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