4
EN
gas detector BG20
Examples for carbon monoxide concentration in the air
Examples for carbon monoxide concentrations and their effects:
0 to 1 ppm Normal background levels
9 ppm
Max. permissible concentration for interior spaces
35 ppm
Max. average amount to which one may be
exposed over a period of 8 hours. *
100 ppm
Exposure limit, persons ought to leave enclosed
spaces. *
150 ppm
Slight headache after 1.5 hours
200 ppm
Mild headache, fatigue, nausea and dizziness
400 ppm
Frontal headache, life-threatening after 3 hours
800 ppm
Dizziness, nausea, convulsions, death within 2 to
3 hours
1600 ppm
Nausea within 20 minutes, death within 1 hour
3200 ppm
Headache, dizziness and nausea within 5 to 10
minutes. Death within 25 to 30 minutes.
12800 ppm Death within 1 to 3 minutes
* according to OSHA = Occupational Safety & Health
Association
Information about the device
Device description
The carbon monoxide measuring device
BG20
serves the
purpose of measuring the concentration (ppm) of carbon
monoxide (CO) in the air by means of an integrated sensor.
The device is designed for indoor use. The device is equipped
with an automatic switch-off and memory function.
In order to protect it from impact, scratching etc., the device
comes equipped with a protective cover.
Device depiction
7
6
5
3
4
1
2
No.
Designation
1
Sensor
2
Protective cover
3
SEL
button
4
Indicator LED
5
Power button
6
MODE
button
7
Display
