Effects of Carbon Monoxide (CO) Poisoning
Warning: Ensure that the meter is powered on in room temperature
and in an area free of CO. If not, the meter will read incorrectly when
subsequently measuring CO.
0-1 PPM
Normal background levels
9 PPM
Maximum allowable short term
exposure
50 PPM
Maximum allowable continuous
exposure level in any 8-hour period,
according to OSHA
200 PPM
Mild headache, fatigue, nausea and
dizziness after 2-3 hours
400 PPM
Frontal headache with 1-2 hours, life
threatening after 3 hours
800 PPM
Dizziness, nausea, convulsions within
45 minutes. Unconsciousness within 2
hours. DEATH WITHIN 2 TO 3 HOURS
1600 PPM
Headache, dizziness, nausea within 20
minutes, DEATH WITHIN 1 HOUR
3200 PPM
Headache, dizziness, nausea within 5-
10 minutes. DEATH WITHIN 25-30
MINUTES
6400 PPM
Headache, dizziness, nausea within 1-
2 minutes. DEATH WITHIN 10-15
MINUTES
12800 PPM
DEATH WITHIN 1 TO 3 MINUTES
