Description
Product Features
- Sensing technology
- Easy installation and maintenance
- Battery case at the back of a sensor for easy removal of a battery
- Sleek low-profile housing design
- SMD circuit board design-satisfactory quality and reliability guaranteed
- Low-battery warning
- Test button verifies battery and alarm operation
- Sounding a loud alarm signal of exceeding 85 dB in alarm mode
- Five-year limited warranty
- HUSH button, to stop the alarm from sounding
- Long-life lithium battery (optional)
- The power supply will be cut out automatically when removing the detector from the base (available for NB739-1, NB-379-1-S, NB739-1-I-S, NB739-2-S, NB739-2-I-S and NB739B series)
Product Specifications
| Smoke Sensitivity | (2.31 +- 1.37%) /ft Obscuration (UL standard), 0.086 dB/m to 0.140 dB/m (VdS EN 14604) |
| Power Supply | 9V battery or 9V lithium battery |
| Battery Life | At least 18 months under normal conditions with GP Green Cell battery |
| Low Battery life | up to 30 days warning signal |
| Alarm Indicator | continuously emitting red light and sounder exceeding 85dB at 10 feet |
| Alarm Sound level | 0℃ to 50℃ |
| Humidity | Humidity 10% to 95%RH, no condensation or i |
| Interconnection | cing Up to 40 units |
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