Gas detector

COelectrochemicalwith digital display

Product Features: • 100% Brand New. • Color: White • Sensor: Electrochemical CO sensor • Alarm Style: Per EN50291 • 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 • Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD • Power consumption: 0.3mW • Size: 10 x 10 x 3.5cm • Powered By: 3 x AA Batteries (Not included) • A perfect item for protecting your family from the dangers of carbon monoxide. • Advanced level of protection, easy to read with the digital display, even in low light conditions. • Displays the level of carbon monoxide the unit is sensing. • Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed. • Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated.