Carbon Monoxide Alarm Sensor Detector LCD Photoelectric CO Gas Home Security 85dB Warning Poisoning | Инструменты

Carbon Monoxide Alarm Sensor Detector LCD Photoelectric CO Gas Home Security 85dB Warning Poisoning | Инструменты

Name: CO Gas Detector Alarm
Alarm current: less than 80 (mA)
Quiescent current: less than 50 (uA)
Working voltage: 4.5 (V)
Battery: 3*AA battery (not included)
Detection angle: 360°
Detection distance: 25 square (m)
Size: 100mm*38mm
Working range: humidity 4-38 degrees
Alarm sound: 85DB (3 meters)
Low battery alarm: every 30 seconds, LED shows Lb
Static indication: green LED flashes every 30 seconds
Package List: 1pcs

Feature: 
Sensitivity/Alarm Time:
                Within 60~90 minutes at 50ppm CO concentration;
                Within 10~40 minutes at 100ppm CO concentration;
                Within 3 minutes at 300ppm CO concentration.
     LCD Displayer (optional): 4 digits LCD displayer
    Audibility: 85dB ( at 1m distance ), Frequency 3 - 0.5KHZ
    Standby Current: <50μA
    Alarm Current: <50mA
   Standby Mode: Green Led flashes once every 30 seconds
   Alarm Mode : Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
   Low-bat Indicator:Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD