The Hochiki ATJ-EA Fixed Temperature/Rate of Rise Heat Detector represents a sophisticated thermal sensing solution designed for comprehensive fire detection in commercial and industrial environments. Engineered for precise thermal monitoring, this addressable heat sensor delivers critical life safety performance across complex building systems, providing reliable early warning detection for facilities ranging from office complexes to manufacturing environments.
Utilizing advanced thermal sensing technology, the ATJ-EA incorporates dual detection mechanisms: a fixed temperature threshold and a rate-of-rise heat detection algorithm. This hybrid approach enables rapid response to both sudden temperature spikes and gradual heat increases, ensuring robust fire detection capabilities in diverse environmental conditions. Compatible with most addressable fire alarm control panels, the sensor integrates seamlessly into sophisticated fire detection networks.
Key Features
- Dual detection technology: Fixed temperature (135°F) and rate-of-rise thermal sensing
- Addressable communication protocol for precise location identification
- Low-profile design minimizes aesthetic interference in commercial spaces
- Wide environmental tolerance: -4°F to 150°F operational temperature range
- UL 268 and NFPA 72 compliant for comprehensive fire safety standards
- Compatible with standard 2-wire addressable communication circuits
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: 200 µA typical
- Alarm Current: 6 mA maximum
- Dimensions: 2.25″ diameter, 1.7″ height
- Color: Bright white RAL 9010 standard finish
Ideal installation contexts include commercial office buildings, educational facilities, healthcare environments, data centers, and industrial manufacturing spaces where precise thermal detection is critical. The ATJ-EA sensor provides comprehensive coverage for HVAC systems, electrical rooms, storage areas, and other potential high-risk thermal environments.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 4 × 4 × 2 in |
| Condition | New |
| Manufacturers | Hochiki |
| Part Type | Sensor |
