5
Alarm levels as defined by European Norm 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 physiological effects of exposure to increasing concentraons of CO:
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
* EN50291-2010 is a European Standard for "Electrical apparatus for the detecon of carbon monoxide in domesc premises - Part 1: Test
methods and performance requirements"