2 safety, 1 user qualifications, 2 proper use – BUCHI KjelDigester K-449 User Manual
Page 11: 3 safety warnings, 1 warning explanation
2 – 11
Operation Manual
KjelDigester K-446/K-449
2 Safety
2 Safety
The safety of the user and personnel can only be ensured if the safety instructions and the safety
related warnings in the individual chapters are strictly observed and followed. Therefore, the
manual must always be available to all persons performing tasks described herein.
2.1 User qualifications
Before using the KjelDigester the operation manual must be read and understood.
The device may only be used by laboratory personnel and other persons who on account of
training or professional experience have an overview of the dangers which can develop when
operating the device.
2.2 Proper use
The KjelDigester has been designed and built for laboratories. It serves for the heating of con-
centrated H
2
SO
4
for the oxidation of organic sample components.
2.3 Safety warnings
2.3.1 Warning explanation
DANGER, WARNING, CAUTION and NOTICE are standardized signal words for identifying levels
of hazard seriousness of risks related to personal injury and property damage. All signal words,
which are related to personal injury are accompanied by the general safety sign.
For the safety it is important to read and fully understand the table with the different signal words
and their definitions.
Sign Signal word
Definition
Risk level
DANGER
Indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
★★★★
WARNING
Indicates a hazardous situation which, if not
avoided, may result in serious injury or death.
★★★☆
CAUTION
Indicates a hazardous situation which, if not
avoided, may result in minor or moderate injury.
★★☆☆
NOTICE
Indicates possible material damage, but no prac-
tices related to personal injury.
☆☆☆☆
Supplementary safety information symbols may be placed in a rectangular panel on the left to
the signal word and the supplementary text.