30 ppm over 120 minutes,
50 ppm for 60
–90 minutes,
100 ppm for 10
–40 minutes,
and 300 ppm for 0
–3 minutes.
When CO is detected and the alarm sounds, the CO concentration will be displayed on the LCD and a blue backlight will be lit.
The LED indicator will flash red and the alarm will issue 4 short beeps, repeating the cycle every 6 seconds.
CO Concentration and Symptoms
The table below shows the effects of different levels of CO poisoning on the body:
WARNING
THIS DEVICE IS DESIGNED TO PROTECT INDIVIDUALS FROM ACUTE EFFECTS OF CARBON MONOXIDE EXPOSURE. IT MAY
NOT FULLY SAFEGUARD INDIVIDUALS WITH SPECIFIC MEDICAL CONDITIONS. IF IN DOUBT, CONSULT A MEDICAL
PRACTITIONER.
Low-Battery Warning
If the battery voltage is low, the unit will chirp once and the LED indicator will flash yellow every 60 seconds to indicate the
need for battery replacement.
If you press the test button when there is a low battery, the low battery signal will temporarily cease for 10 hours; if you press
the test button again, the unit will enter the test mode and then the standby mode.
End-of-Life Indication and Hush Control
100
Slight headache, nausea, fatigue (flu-like symptoms).
Once the maximum lifetime (10 years) is reached, the alarm will deliver 3 beeps and the LED indicator will flash yellow 3 times
200
Dizziness and headache within 2
–3 hours.
every 60 seconds. This end-of-life signal can be temporarily silenced for 22 hours by pressing the test button.
400
800
Nausea, frontal headache, drowsiness, confusion and rapid heart rate.
Risk to life after over 3 hours of exposure.
Severe headaches, convulsions, vital organ failures. Death possible within 2
–3 hours.
The end-of-life silence feature can only be used for a total of 30 days. After 30 days, the end-of-life signal cannot be silenced.
During this end-of-life hush period, your alarm continues monitoring CO and provides protection as usual.
To help identify the date to replace the alarm, write down the date of first operation on the dedicated label on the side of the
alarm.
04
05
Parts per Million (PPM)
Effects on Adults
