TrueAlarm Multi Sensor, Photoelectric and Heat
$69.49
The Simplex 4098-9754 TrueAlarm Multi-Sensor is an intelligent addressable detector that combines photoelectric smoke detection and thermal heat sensing in a single device. The sensor communicates analog detection data to the fire alarm control panel, where alarm decisions, sensitivity settings, and environmental compensation are processed.
This multi-sensor design improves fire detection reliability by evaluating smoke and temperature conditions simultaneously, helping reduce nuisance alarms while maintaining early detection capability. The detector communicates digitally over IDNet or MAPNET II signaling loops, allowing the control panel to continuously monitor sensor performance, sensitivity levels, and environmental conditions.
When installed with compatible bases such as the 4098-9795 sounder base or 4098-9796 standard base, the device can provide additional functionality including local audible notification, remote alarm indication, or relay tracking. The sensor head supports 360° smoke entry, automatic sensitivity compensation, and programmable alarm thresholds configured at the fire alarm control panel.
This model is typically used in commercial fire alarm systems where combined smoke and heat detection is preferred to improve detection accuracy and reduce false alarms.
| Weight | 0.4 lbs |
|---|---|
| Dimensions | 2.25 × 4.875 × 4.875 in |
| Manufacturer | Johnson Controls |
| Brand | Simplex |
| Unit of Measurement | EA (Each) |
| Condition | New |
| Type | Detector |
| Style | Plug-In |
| Detection Method | Fixed Temperature, Photoelectric, Programmable, Rate-of-Rise |
| Detectable Medium | Heat, Smoke |
| Programming | Set via Base |
| Protocol | IDNet |
| Thermal Rating | 135°F, 155°F, Programmable |
| Series | |
| Production Status | Discontinued |
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| Weight | 0.4 lbs |
|---|---|
| Dimensions | 2.25 × 4.875 × 4.875 in |
| Manufacturer | Johnson Controls |
| Brand | Simplex |
| Unit of Measurement | EA (Each) |
| Condition | New |
| Type | Detector |
| Style | Plug-In |
| Detection Method | Fixed Temperature, Photoelectric, Programmable, Rate-of-Rise |
| Detectable Medium | Heat, Smoke |
| Programming | Set via Base |
| Protocol | IDNet |
| Thermal Rating | 135°F, 155°F, Programmable |
| Series | |
| Production Status | Discontinued |
• Photoelectric smoke and thermal heat sensing in one detector
• Analog addressable communication via IDNet or MAPNET II
• Programmable smoke sensitivity at the control panel
• Fixed temperature and rate-of-rise heat detection options
• 360¬∞ smoke chamber for improved detection response
• LED status indicator for communication and alarm status
• Compatible with optional standard or sounder bases
• 4098-9754 TrueAlarm Multi-Sensor detector head
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