Simplex 4098-9774 Photoelectric Smoke Sensor
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Simplex 4098-9774 Photoelectric Smoke Sensor
TrueAlarm photoelectric sensors use a stable, pulsed LED light source and a silicon photodiode receiver to deliver consistent and accurate low power smoke sensing. Three user selectable sensitivities for special applications are available for each individual sensor, 0.2%, 0.5%, and 1% per foot. Standard sensitivity is 1.25% to 3.1% per foot. The fire alarm control panel runs an algorithm that can vary the sensitivity for normal applications between 1.25% and 3.1% per foot.
The sensor head design provides 360° smoke entry for optimum response to smoke from any direction. Due to its photoelectric operation, air velocity is not normally a factor, except for impact on area smoke flow.
Specifications:
| Weight | 0.5 lbs |
| Programming | Set via Base |
| Detection Method | Photoelectric |
| Condition | New |
| Brand | Simplex |
| Production Status | Active |
Features:
- Sealed against rear air flow entry
- Interchangeable mounting
- EMI/RFI shielded electronics
- Photoelectric technology sensing
- 360° smoke entry for optimum response
- Built-in insect screens