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1. Introduction
MULTISTIRRER is able to stir up to 6 beakers having a maximum diameter of 85 mm (MULTISTIRRER 6) or up to 15
beakers having a maximum diameter of 64 mm (MULTISTIRRER 15) at the same time. The stirrer stays cold even after
several days of continuous operation. This feature makes it particularly appreciated in microbiology and biochemistry.
Epoxy painted metal structure, with stainless steel cover, is studied and tested in order to give to the instrument an excellent
resistance to the attack of chemical agents and to corrosion in general. The stirring speed can be set within a range of 80 -
1500 rpm using the knob on the front panel. The Stirrer led shows when the stirring is running.
NOTE: it's important to choose the most suitable magnetic stirring bar related to the quantity and the liquid to be stirred as
well as to the type of the beaker. For MULTISTIRRER 6 is suggested the stirring bar A00001056 (6x35 mm); for
MULTISTIRRER 15 the A00001057 (6x20 mm).
2. Assembly and installation
Upon receipt and after having removed the packaging, please check the integrity of the instrument. The box includes:
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Magnetic stirrer MULTISTIRRER
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Plug for power supply
2.1 Electrical connection
After having unpacked the instrument, place the unit on the laboratory bench.
Before connecting the instrument to the power supply, make sure that the values on the rating plate correspond to those of
the power supply. Connect the unit to the power supply using the transformer supplied.
Ensure that the socket and the relative cut-off device conform to current safety norms and easy to reach.
2.2 Start-up
Rotate the speed knob completely to the left. Place the flasks containing the sample and a suitable magnetic stirring bar on
the stirring plate. Then, set the speed by turning the speed knob.
3. Operating controls
Turn the stirring speed knob on the front panel in order to start the stirring function.
It is possible to select speeds between 80 and 1500 rpm. When the led is lighted it means that the stirring is on.
4. Maintenance
No routine or extraordinary maintenance is necessary apart from periodically cleaning the unit as described in this manual.
In compliance with the product guarantee law, repairs to our units must be carried out in our factory, unless previously
agreed otherwise with local distributors. The instrument must be transported in its original packaging and any indications
present on the original packaging must be followed (e.g. palletized).
It is the responsibility of the user, to properly decontaminate the unit in case of hazardous substances remaining on the
surface or interior of the device. If in doubt about the compatibility of a cleaning or decontamination product, contact the
manufacturer or distributor.
4.1 Cleaning
Disconnect the unit from the power supply and use a cloth dampened with an non-inflammable non-aggressive detergent.
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Switching VELP 100-240V/12V without plug
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Instruction manual
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