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electronic GmbH & Co. KG • Heinrichstraße 3-4 • 12207 Berlin • Deutschland • [email protected]
1.1
Mode of operation
SONOREX ultrasonic baths use the effect of cavitation. Under their oscillating tank
bottoms they contain piezoelectric transducers, the energy of which is transferred
to the bath
fl
uid with ultrasound frequency as mechanical oscillations. As a result,
microscopically small bubbles are continuously formed in the bath
fl
uid, which release
energy upon imploding and generate local microcurrents. This process is called
cavitation. During the cleaning process, it causes contamination to be "blasted" from
the hard surfaces of the objects being treated. At the same time, dirt particles are
dispersed and fresh bath
fl
uid
fl
ows in.
SONOREX ultrasonic baths are ef
fi
ciently supported by SweepTec
®
automatic
frequency control. SweepTec
®
immediately balances load-dependent working point
fl
uctuations to the optimal working point using fast frequency modulation. This produces
an especially homogeneous and uniform ultrasound
fi
eld in the bath volume for
constantly reproducible results.
1.2
Purpose
The ultrasonic bath SONOREX PR 140 is used for the cleaning of pipettes, burettes,
and other volumetric glasware with a maximum length of 755 mm. It works on the basis
of low-frequency ultrasound and allows for very short sonication times.
Sonication is always carried out in connection with a suitable preparation that is added
to the bath liquid. In order to use the device as intended, a basket into which objects
are placed during sonication, is also required. Only in this manner is the optimum
diffusion of the ultrasound guaranteed.
The ultrasonic bath is a standing unit and is operated on the front.
