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EN-12
When heating and stirring a reaction vessel within an oil bath or similar set-up, the
stirring function will stir up to approximately one inch (2.5 cm) from the top plate.
The stirring speed will vary according to liquid viscosity, spin bar length, and
distance from top plate. Adjust one or all of these to achieve the desired stirring
speed. For example: the closer the reaction vessel is to the top plate, the strong the
magnetic connection between the unit and the stir bar.
3.4.
Controlling the Top Plate Heater
1
Rotate the left knob to control the heat setting.
a)
Clockwise rotation will increase the heat setting.
b)
Counterclockwise rotation will decrease the heat setting.
2
To turn on the heater, press and hold the left knob until the unit beeps and the
illuminates.
a)
The unit will beep once to confirm the heater has been turned on.
b)
The
running.
c)
During heating, the current heater temperature and the set target
temperature along with the Heat Setting Indicator
displayed on the screen, while the
d)
When temperature is reached stably, the screen will display the current
heater temperature and the
e)
When the heater temperature is above 40° C, the
panel will be illuminated.
on the control panel will illuminate to indicate that the heater is
Guardian
will blink.
will stay illuminated.
TM
Hotplate-Stirrers
will be alternately
on the control
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