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ATG-EA HEAT SENSOR fire alarm

Rp. 99,999
Last Updated
21 Sep 2021
Minimum Order
1 1
Category
HOCHIKI

Specification of ATG-EA HEAT SENSOR fire alarm

STANDARD FEATURES

• Low Profile - Only 2.0" 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

• Adjustable threshold temperature 135°F - 150°F (determined by panel)

SPECIFICATIONS

Operating Voltage 17-41 VDC

Standby Current 350μA

Alarm Current 500μA

Transmission Method DCP - Digital Communication Protocol

Maximum Humidity 95% RH Non-Condensing

UL Ambient Installation 32°F to 115° F

Temperature Range (0° C to 47° C)

Operating Temperature 135°F to 150° F Range (57.2° C to 65.6° C)

Color & Case Material Bone PC / ABS blend

Weight 3.2oz (4.9 oz. with 4" base)

Bases 4" YBN-NSA-4 6" HSB-NSA-6

APPLICATION

The HOCHIKI America ATG-EA Sensor provides accurate temperature measurement data to the fire alarm control panel. This sensor is particularly suited to environments where smoke detectors are unsuitable because of the precense of system or cooking fumes such as in a kitchen

OPERATION

The ATG-EA Heat sensor incorporates a highly linear thermistor circuit, with the thermistor mounted externally. The specially designed cover protects the thermistor while allowing maximum air flow. The thermistor circuit produces a voltage proportional to temperature which is scaled, and transmitted as a digitally encoded value to the control panel. When the ambient temperature exceeds a pre-programmed threshold (fixed temperature), the sensor transmits an interrupt to the control panel indicating a fire alarm. The fire alarm control panel can adjust the sensor threshold for different Standard's requirements. Up to 127 devices are permitted on each loop. A sensor address can be set by a hand-held programming unit.  The base provides mounting slots, terminals for field wiring, and a third contact for a remote indicator/LED. The sensor incorporates dual LED's for easy viewing of sensor status

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