Description
description:Features: • Sensitivity/alarm
time : Within 60 to 90 minutes at 50ppm CO concentration Within 10 to 40 minutes at 100ppm CO concentration Within 3 minutes at 300ppm CO concentration
• LCD display with a blue back ground light.
• The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode.
• One ‘chirp’ every 30 seconds is an indication that the battery is low (need replacement) (green LED still flashes once every 30 seconds) or the unit is malfunctioning (green LED is out. ).
• Alarm memory feature: If the unit ever alarms, pressing the button, green LED will flashes once every second for one minute and the peak alarm level will indicate on the LCD.
• Test/Reset button to test the unit electronics and verifies proper unit operational and reset the unit during CO alarm. Green and red LED lights that indicate normal operation and alarm status. ‘Err’ on the LCD to indicate the unit is malfunctioning. ‘Lb’ on the LCD to indicate it low battery and need replacement. Blue back light will be lighted when pressing the test bottom or alarming. • The unit will sound ‘chirp’ and red LED flashes once as power up.
• Power saving feature: The alarm sound pattern is 4 beeps every 5 seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps every minute to save the battery. Technical Parameter
Power supply: 3×1.5V AA(Not included) Power consumption: 0.3mW Alarm sound: ≥85dB(at 1m distance ) Standby: green LED flashes once every 30 seconds Alarm current: ≤25mA Sran: 0-999PPM Operation conditions: 5-40°c, 20 ˜90%. R.H.
Sensor: electrochemical CO sensor Alarm style: Per EN50291 Frequency: 3, ±0.5kHz Alarm: red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat Package Included: 1 x Carbon monoxide alarm 2 x Screws 1 x Instruction manual
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