13
Protect the device from severe shocks!
Never recharge normal, non-rechargeable batteries. This could
lead to explosion during the charging process.
NOTE!
Use only the recommended batteries. Always replace weak or empty
batteries with a new, complete set of batteries at full capacity. Do not
use batteries from different brands or with different capacities. Remove
the batteries from the unit if it has not been used for a long time.
Never use rechargeable batteries.
The clock cannot be operated simultaneously with batteries and an
electrolyte solution. This could lead to irreparable damage to the
device; the manufacturer is not liable for this damage!
The manufacturer is not liable for damage related to improperly
installed batteries!
The workplace for the experiment must be clean and free of
disturbing elements and located out of the reach of food containers.
It must also be well lit and ventilated and located near a water
source. The use of a solid table with a heat-resistant surface is
recommended.
Important safety information
for the operation of this experiment
• All persons in the direct vicinity of the experiment setup must use
appropriate safety goggles
2
.
• Clean all parts after using.
• Make sure all containers are firmly closed after using and are
stored safely.
• Wash your hands after touching any parts.
• Do not use any parts that do not belong to the set.
• Never eat, drink or smoke in the direct vicinity of the experiment.
• Chemicals must not come into contact with body parts - especially
with mouth or eyes.
• Do not store any food in the containers.
