OPERATING INSTRUCTIONS 13
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The CO detector monitors the CO concentration in parts per
million (ppm) in the air around the detector.
50 ppm
Ì The maximum allowable concentration for conti-
nuous exposure of healthy adults over an 8-hour
period (according to the recommendations of the
Occupational Safety & Health Administration).
100 ppm
Ì Mild headaches, fatigue, dizziness, nausea after
2–3 hours.
300 ppm
Ì Frontal headaches within 1–2 hours, life-threate-
ning after 3 hours.
800ppm
Ì Dizziness, nausea, and convulsions within 45
minutes. Unconsciousness within 2 hours.
Death within 2–3 hours.
Ì This device is designed to protect individuals from the
acute eects of carbon monoxide exposure. It may not
protect those who are at additional risk due to age,
pregnancy, or health conditions. If in doubt, consult your
doctor.
Ì This device should not be used as a substitute for proper
installation, use, and maintenance of fuel-burning appli-
ances, including appropriate ventilation and exhaust sys-
tems.
Ì Common sources of CO include: Blocked chimneys from
replaces or stoves, gas oor heaters (gas boilers), hea-
ting systems, and the operation of charcoal grills, gas sto-
ves, or running engines in enclosed spaces.
Ì CO can penetrate walls and ceilings, so the source of
the CO leak could be in apartments on other oors,
in the basement, or in an adjacent building.
Further information
Bundesinstitut für Risikobewertung
www.co-macht-ko.de
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