Features:
·Loud 85 decible alarm.
·Permanent carbon monoxide sensor with self-diagnostic feature.
·The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode.
·One ‘chirp’ every 30 seconds with red LED flashes once is an indication that the battery is low(need replacement)(green LED still flashes once every 30 seconds).
·One ‘chirp’ every 30 seconds with red and yellow LED flashes synchronously is an indication that the unit is malfunction(need fix).
·Test/Reset button to test the unit electronics and verifies proper unit operation and reset the unit during CO alarm.
·Alarm memory feature: If the unit ever alarms, pressing the button, the last alarm level will be indicated on the LCD.
·Green and red LED lights that indicate normal operation and alarm status.
·The unit will sound ‘chirp’ and all LEDs flash once as power up.
·3 digits LCD is equipped with blue backlight. 0-999ppm is indicated on LCD when measured. ‘Lb’ indicates low battery(need replacement) and ‘Err’ indicates malfunction(need fix). The LCD will be lit as test/reset button pressed and as CO concentration exceeds 30ppm.
·Three minutes after the batteries installed, the unit starts to detect CO.
Specification:
Power Supply: 3 AA size batteries.
Sensor: Electrochemical
Sensitivity & Time: 70ppm, alarms within 60~240 minutes
150ppm, alarms within 10~50 minutes
400ppm, alarms within 4~15 minutes
Standby Current: <50uA;
Alarm Current: <100mA
Operation Ambient Condition: 5~400C, 20~90%R.H.