For 35 years Seismic Switch, Inc. has set the industry standard in elevator seismic ground motion detectors with the reliable Model CHV-1 Seismic Switch. We are pleased to announce the CHV-2: our new Electronic Seismic Switch modeled after our proven CHV-1 unit. We are pleased to announce the CHV-2 is now U.L. listed.
- UL approved
- Fail-safe operation – any malfunction indicates trigger; no "dead detector" problems
- Most economical Seismic Switch on the market
- Includes built in battery backup and latching earthquake memory
- Customized trigger thresholds available for special needs and other countries
- Meets all applicable codes
- Simple, quick and easy installation
- No special wire or cables needed
- 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
- Indicator lights for power, low battery, trigger and test
- 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