Đầu báo khói quang học loại thường AS2042-00 | AS2043-00 | AS2044-00

The AS2042, AS2043, and AS2044 photoelectric smoke detector(s) utilizes one bi-colored LED for indication of status. In a normal standby condition the LED flash Green every 3 seconds. When the detector senses that its sensitivity has drifted outside the UL listed sensitivity window the LED will flash Red every 3 seconds. When the detector senses smoke and goes into alarm the status LED will latch on Red.
The detector utilizes an infrared LED light source and silicon photo diode receiving element in the smoke chamber. In a normal standby condition, the receiving element receives no light from the pulsing LED light source. In the event of a fire, smoke enters the detector smoke chamber and light is reflected from the smoke particles to the receiving element. The light received is converted into an electronic signal.
Fire Judgment signals are processed and compared to a reference level, and when five consecutive signals exceeding the reference level are received within a specified period of time, the time delay circuit triggers the SCR switch to activate the alarm signal. The status LED light continuously during the alarm period.
⇓ Tải xuống Catalogue

Conventional Photoelectric Smoke Detector
AS2042-00, AS2043-00, AS2044-00


Standard Features
• UL Listed
• Computer-designed non-directional smoke chamber
• 360° view of detector status LED
• Low profile, 2” high (with base)
• 2 wire base compatibility.
• Highly stable operation, RF/Transient protection
• Low standby current, 59µA at 24VDC
• One built-in power/sensitivity supervision/alarm LED
• Automatic Sensitivity window verification function meets outlined requirements in NFPA 72, Chapter 2 and 7, Inspection, Testing and Maintenance
NOTE
Bases are not included with detectors, please order separately.


Ordering Codes

AS2042-00 Photoelectric / Heat Smoke Detector – Ivory Color
AS2043-00 Photoelectric / Heat Smoke Detector – White Color
AS2044-00 Photoelectric / Heat Smoke Detector without magnetic test feature – Ivory Color
AS2050-00 4” Mounting Base
AS2051-00 6” Mounting Base


Technical Specifications

Rated Voltage 12 or 24VDC
Working Voltage 8 – 35VDC
Maximum Voltage 42VDC
Light Source GaAIAs Infrared Emitting Diode
Standby Current 59µA @ 24VDC
Surge Current 160µA max. @ 24V DC
Alarm Current 150mA max. @ 24V DC
Air Velocity Range 0 – 4000 fpm
Ambient Temperature 32ºF – 120ºF
Color / Case Material Bone PC / ABS Blend
Sensitivity Test Feature Automatic Sensitivity window verification test

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