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2. Alarm levels as defined by EN50291-2010
The table below shows the response mes at which your CO alarm will sound;
CO Advice and Informaon
The table below shows the effects of different levels of CO poisoning on the body;
Parts per Million (PPM) of CO Time unl Alarm
50 60 – 90 minutes
100 10 – 40 minutes
300 Must alarm in less than 3 minutes
Parts per Million (PPM) Effects on Adults
100 Slight headache, nausea, fague (flu-like symptoms)
200 Dizziness and headache within 2 – 3 hours
400 Nausea, frontal headache, drowsiness, confusion and rapid heart rate.
Risk to life aer over 3 hours of exposure
800 Severe headaches, convulsions, vital organ failures. Death possible within
2 – 3 hours
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