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Operation
(brief instructions)
Remove the protective film from the mounting plate before use! The "Back" menu key is used to change between menu items.
F S et the main switch (A) to the OFF position
F I nsert the power supply cable into the mains socket (K)
Start-up
F S et the main switch (A) to the ON position
a S tandard mode A is selected (see "Operating modes")
F S et the speed using the rotary knob (D)
Stirring
a T he set value is shown on the display (F)
F P ress the rotary knob (D) to start the stirring function
i a T he symbol (16) appears when the motor is active
F S et the safety temperature limit (see "Setting the safety temperature limit")
F S et the target temperature using the rotary knob (C)
a T he set value is shown on the display (J)
F S et the temperature control mode (see "Setting the temperature control mode")
Heating
F P ress the rotary knob (C) to start the heating function
i a W hen the heating function is switched on, the heating symbol (4) is displayed
i a W henever the mounting plate is at a temperature above 50°C, the display (J) shows
perature is shown, even if the device is switched off.
F S et the main switch (A) to the OFF position
Connecting an ex-
F C onnect the safety contact thermometer compliant with DIN 12878 Class 2 or temperature sensor PT 100 (individual
ternal thermometer
sensor) or PT1000 (double sensor) to socket (L)
(directtemperature
F S et the main switch (A) to the ON position
control in the me-
Temperature sensor PT 100
i
dium)
i Temperature sensor PT 1000
F Press the (G) key
F Wait until the system is stable (once the system is stable, a "g" appears after the digit 0).
Weighing
F Place the weight in the centre of the heating plate and wait until the system is stable once again.
i a The maximum display range is up to 2,000 g
a The weighing range is max. 5,000 g
a It is only possible to use the weighing mode when the heating or stirring functions are not active
i a The weighing module can be calibrated (see section entitled "Calibrating the weighing module")
a see section entitled "Calibration of the pH probe and pH measurement"
pH measurement
F Press the (H) key
F S et the time in hours, minutes and seconds by turning the knob (D) and confirm by pressing it; the timer function
starts to count down the remaining time once the heating or stirring function has started (see "Timer function")
Timer
i Once the timer reaches 0, the heating function is switched off, even if the motor has only just been started.
If the heating is activated during the timer sequence, only the heating is switched off, but the motor continues
to run (delay in boiling).
Setting the operating mode
Operating the device in A, B, or C
Factory setting: Mode A
The set mode is shown permanently on the display (10).
Mode A
All the settings are retained when the device is switched off or
disconnected from the mains. When the device is switched on,
the status of the stirring and heating functions is set to (OFF).
The target and current temperature are shown permanently on the display (J):
The maximum adjustable heating plate temperature setting is 340°C
a T he current temperature (5) shown on the display (J) corresponds to the tempera-
ture of the medium. The "Probe" symbol (11) lights up.
a T he current temperature (5) for the temperature sensor shown on the display (J)
corresponds to the temperature of the medium. The "External temperature probe"
symbol (11) appears. The temperature of the carrier fluid (3) is also displayed.
Mode B
All the settings are retained when the device is switched off or
disconnected from the mains. When the device is switched on,
the status of the stirring and heating functions is set to whatever
it was before the device was last switched off (ON or OFF).
and the current tem-
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