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51506-002 GB/2020-10
1
electronic GmbH & Co. KG • Heinrichstraße 3-4 • 12207 Berlin • Deutschland • info@bandelin.com
1.1
Basic working principle
The ultrasonic generator transforms the mains energy input (mains frequency 50 or 60 Hz) into
high-frequency energy with a frequency of 20 kHz. Thanks to the ultrasonic transducer that is
connected to the ultrasonic generator, the high-frequency energy of the ultrasonic generator is
converted into ultrasonic and thus into mechanical energy. This takes place with an e
ffi
cient and
robust PZT ultrasonic oscillating system. Thus, mechanical de
fl
ections with the same frequency
of 20 kHZ are generated on the tip of the probe and transferred into the sonication medium as
ultrasonic waves with a high power intensity. The amplitude is held constant by the ultrasonic
transducer (AMPLICHRON
®
system), independently from the applied load, using a signal
feedback as long as the maximum power allowed is not exceeded. Thanks to these measures,
the reproducibility of the process parameters is guaranteed and validation of the process
is supported.
Standard and/or booster horns with probes (micro tips, tapered tips or titanium plates) are
mounted on the ultrasonic transducer. These work as mechanical transformers and enable
a multiple mechanical ampli
fi
cation of the ultrasonic amplitude at the tip.
1.2
Intended purpose
SONOPULS ultrasonic homogenisers generate high-performance ultrasonic with high intensities
and ultrasonic amplitudes, which are transferred into liquid media using working tools called
probes. They are used in laboratories, clinics, and in industrial research, and they perform diverse
tasks during sample preparation in Quality Assurance, scienti
fi
c experiments, analyses, and in
pilot or short-series manufacture.
Examples of uses:
• Cell disruption for paternity tests
• Cell disruption (extraction of micro-organisms, tissue cells)
• Homogenising of liquids
• Emulsifying hard-to-mix liquids
• Dispersion of agglomerates
• Acceleration of chemical reactions
• Degassing of
fl
uids
•
Sample preparation in environmental analytics (wastewater tests, soil samples)
• Sonochemistry
SONOPULS ultrasonic homogenisers are also used for in-vitro diagnostic lab procedures, to
procure information from the handling of organic materials with ultrasound. Therefore, they
are classi
fi
ed and treated in accordance with the Directive 98/79/EC on in-vitro diagnostic
medical devices.
1.3
CE conformity
SONOPULS ultrasonic homogenisers are declared as IVD products and satisfy the
CE marking criteria for the European Directives:
- IVD Directive
- Low-Voltage Directive
- Electromagnetic Compatibility Directive
- RoHS Directive
in their currently valid versions.
A declaration of conformity can be requested from the manufacturer by providing
the serial number.
