ATJ-EA Description

ATJ-EA, a Fixed Temperature / Rate of Rise sensor that provides accurate temperature measurement data to the fire alarm control panel. These sensors are well-suited for environments where dust, cooking fumes, or other factors make the use of smoke sensors impractical.

 

 

 

 

Features & Specifications

- Low profile - only 2.00" high, including base

- Simple and reliable device addressing method

- Uses the noise immune Digital Communication Protocol (DCP), which utilizes interrupts for fast response to fires

- Rate of rise temperature threshold = 15°F/Min (determined by panel)

- Adjustable threshold temperature = 135°F - 190°F (determined by panel)

 

Operating Voltage: 24 - 41 VDC
Standby Current: 350µA
Alarm Current: 500µA
Transmission Method: DCP - Digital Communication Protocol
Rate of Rise: 15° F/Min. (8.3° C/Min.)

Operating Temperature Range: 14° F to 122° F (-10° C to 50° C)
UL Maximum Spacing: 70 feet
Maximum Humidity: 95% RH Non-Condensing
Color & Case Material: Bone - ABS blend