1486 จำนวนผู้เข้าชม |
Smoke Detector with Heat : 721UT
Features :
- Self-diagnostic capability continually monitors operation
- Built-in drift compensation
- Field-replaceable optical chamber
- Low-profile design blends into the ceiling
- Advanced nuisance alarm immunity
- Meets NFPA 72 field sensitivity testing without the need for external meters Extensive two-wire compatibility listings
- White head and base
- Operating temperature range: 32°F to 120°F (0°C to 49°C)