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Other Equipments

Earthquake Sensor

For 50 years Seismic Switch, Inc. has set the industry standard in elevator seismic ground motion detectors with the reliable Model CHV-1 Seismic Switch. Now available, the next generation Electronic Seismic Switch, the CHV-2, the most reliable motion detector available on the market. We are pleased to announce the CHV-2 has selectable levels.

  • Includes built in battery backup and latching earthquake memory
  • Meets all applicable codes
  • Simple, quick and easy installation - no special wires or cables needed
  • Selectable levels
  • No calibration ever required
  • Most advanced – MEMS style triple axis accelerometer w/ digital interface. Made by one of the world’s top 5 semi-conductor companies
  • Sophisticated custom software
  • 120 VAC, 240 VAC, 50 or 60 HZ and 24 VDC inputs
  • 120 Volt output, .6 amp, AC or DC, 30 Volt DC output, 2 amp
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  • Minimum 100 hour battery life in power failure
  • Easy to replace and inexpensive long life lithium batteries
  • Multi-layer board is 4" x 6"
  • Box is 6" x 8" x 3"
  • Weight = 3 lbs