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Operating Manual – Carbon Monoxide Measuring Device BG20
EN
Carefully read the operating manual before using the device
and keep it within reach!
• Do not use the device in atmospheres containing oil, sulphur,
chlorine or salt.
• Protect the device from permanent direct sunlight.
• Do not remove any safety signs, stickers or labels from the
device. Keep all safety signs, stickers and labels in legible
condition.
• Do not open the device with a tool except for battery change.
• Observe the storage and operating conditions (see chapter
Intended use
Only use the carbon monoxide measuring device BG20 for indoor
measurements of the carbon monoxide concentration in the air
within the measuring range specified in the technical data.
To use the device for its intended use, only use spare parts which
have been approved by Trotec.
Improper use
Do not use the device in potentially explosive atmospheres, or for
measurements in liquids. Trotec accepts no liability for damages
resulting from improper use. In such a case, entitlements to a
warranty are forfeited. Any unauthorised modifications,
alterations or structural changes to the device are forbidden.
Personnel qualifications
People who use this device must:
• be aware of the dangers that occur when working with
carbon monoxide measuring devices.
• have read and understood the operating manual, especially
the safety chapter.
Residual risks
Danger!
Even low concentrations of carbon monoxide (CO) are
life-threatening! Carbon monoxide is toxic by inhalation!
Make yourself familiar with the signs of CO poisoning and
learn to recognize them. Immediately remove persons
who have inhaled carbon monoxide to fresh air.
Immediately seek medical help!
Danger!
Keep a sufficient distance away from sources of heat.
Danger!
Do not leave the packaging lying around. Children may
use it as a dangerous toy.
Danger!
The device is not a toy and does not belong in the hands
of children.
Danger!
Dangers can occur at the device when it is used by
untrained people in an unprofessional or improper way.
Observe the personnel qualifications.
Caution!
To prevent damages to the device, do not expose it to
extreme temperatures, extreme humidity or moisture.
Caution!
Do not use abrasive cleaners or solvents to clean the
device.
Examples for carbon monoxide concentration in the air
Examples for carbon monoxide concentrations and their effects:
* according to OSHA = Occupational Safety & Health Association
Safety
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
