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Safety
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1686-000 GB/2021-03
2.7 Risk due to high working temperatures
The ultrasonic bath, the sonication fluid and the goods to be treated
can become hot during operation. Touching them can lead to burns.
The working temperature can be set to up to 80°C.
Ultrasound heats the sonication fluid even without additional heat-
ing. Very high working temperatures can occur during lengthy ultra-
sonic operation. In ultrasonic baths with heating, the ultrasonic
energy can cause the set working temperature to be exceeded con-
siderably.
• Note the treatment times recommended by the ultrasound
agent manufacturer. Do not leave the ultrasound switched on
for longer than necessary.
• Do not reach into the sonication fluid with your hand. Remove
the goods to be treated with the insert basket or with tongs.
• Allow the goods to be treated to cool down before you touch
them.
• When you lift the basket out by the handles, your hands could
touch the edge of the ultrasonic oscillating tank, which can be
very hot. Allow the ultrasonic bath to cool after use before you
lift it for emptying.
Non-aqueous liquids can heat up much faster than water. A possi-
ble flashpoint can be reached and exceeded after very short sonica-
tion. When using high-boiling liquids, the bath temperature can rise
above 120°C due to the energy supplied by the ultrasound. This
can lead to fires and to serious burns.
• Do not use any flammable, explosive, non-aqueous liquids (e.g.
benzine or solvents) or mixtures with flammable liquids (e.g.
alcohol solutions) directly in the stainless steel ultrasonic oscil-
lating tank.
• Small quantities of flammable liquids can be sonicated indirectly
in sample containers. Before sonicating flammable liquids,
familiarise yourself with necessary safety measures and appli-
cable regulations for handling these liquids.
