449C - ESL Smoke Detector Reviews
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449C - ESL Smoke Detector Feature
- Intelligent self-diagnostics
- Low-profile design
- Plug-in terminal block
- Advanced false alarm immunity
- Meets NFPA 72 field sensitivity testing requirements without the need for external meters
The 449C Series self-diagnostic, Four-wire smoke detectors continually monitor their own sensitivity and operational status and provide a visual trouble indication if they drift out of sensitivity range or fail internal diagnostics. They meet NFPA 72 field sensitivity testing requirements without the need for external meters. Features: Intelligent, self-diagnostic * Field-replaceable optical chamber * Low-profile design * Plug-in terminal block * Advanced false alarm immunity * 12VDC and 24VDC operation.
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Mar 30, 2011 09:01:04
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