alarm will issue 4 short beeps, repeating the cycle every 5.8 seconds.
CO Concentration and Symptoms
The table below shows the effects of different levels of CO poisoning on the body:
Parts per Million (PPM)
Effects on Adults
100
Slight headache, nausea, fatigue (flu-like symptoms).
200
Dizziness and headache within 2–3 hours.
400
Nausea, frontal headache, drowsiness, confusion and
rapid heart rate. Risk to life after over 3 hours of
exposure.
800
Severe headaches, convulsions, vital organ failures.
Death possible within 2–3 hours.
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 is low, the unit will chirp once, and the LED indicator will flash yellow
every 60 seconds to indicate that the battery needs replacement.
If you press the test button when there is a low battery, the low battery signal will
temporarily stop for 10 hours; if you press the test button again, the unit will enter test
mode, and then standby mode.
End-of-Life Indication and Hush Control
Once the maximum lifetime of the alarm (10 years) is reached, the alarm will beep 3