IKA LR 1000 control Package - Manual (Page 29)

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Menu (Details)
Stirring
Torque trend measurement:
Display the torque trend.
Intermittent Mode:
The menu allows the user to activate the “Run/Stop“ func-
tion. The run time and stop time can be set separately.
Speed Limit:
The menu allows the user to set the desired maximum up-
per speed limit for the reactor system. The initial setting is
the maximum permissible speed of the stirrer. If the user
changes this setting, control system of the reactor saves the
new value for future stirring tasks.
If the “Speed Limit” has been changed, then the speed can
be adjusted only within the new range.
Heating
Control Mode:
In the menu, the user is allowed to selected “Accurate” or
“Fast” control mode by rotating and pressing knob (A). The
selected control mode is indicated by a tick.
Fast: reach target temperature quickly but with big over-
shoot and large hysteresis at the beginning.
Accurate: Reaching the target temperature takes some-
what longer, but for this reason, the initial overshoot and
the hysteresis are significantly smaller.
Limits:
In “External (ext)“ option, the user is allowed to set the max-
imum and minimum temperature for external temperature
control. Confirm and store the setting by pressing on “OK“.
Temperature Sensor:
In “Calibration“ option, the user is allowed to set calibrate
the external temperature sensor.
Weighing
Measurement:
Start the weighing function here.
Calibration:
The weighing function can be calibrated here with refer-
ence weights.
Reset calibration values:
This option is used to reset the weight reference to the cali-
bration value.
Timer
In the menu the user can specify that the timer is displayed
on the working screen. A tick shows that the option is acti-
vated. This setting allows the user to specify the actual time
for the heating procedure.
A default time can also be set for the timer. This setting al-
lows the user to start the heating task for a standard time.
The device stops automatically after expiry of the set time,
and the set time used for the heating procedure appears in
the display.
Note: The user can stop the stirring function before expiry
of the set time. In this case the countdown of the timer is
interrupted.
pH Probe
Calibration:
Here you can calibrate the pH probe with the device in con-
nection with the pH buffer solution.
Reset pH probe:
Reset the pH measuring reference to factory default value.
Display:
Display the measured pH value at working screen.
Operating Mode
Operating Mode A:
In this operating mode, the values that were previously set
are saved when the process ends or the device is switched
off. The device does not start again by itself.
Operating Mode B:
In this operating mode, the values that were previously set
are saved when the process ends or the device is switched
off. The device starts again by itself.
Operating mode C:
In this operating mode, the values that were previously set
are saved when the process ends or the device is switched
off. The device starts again by itself. The set values cannot
be changed.
Display
Here the user can specify which information (torque trend,
pH value, timer value) is to be displayed on the working
screen.
Safety
Time Out:
Here you can set a time out. This time out goes into effect
if the communication between the device and the PC has
failed. In this case, the device continues to run with the
set speed and temperature.
Password:
In the menu, the user can protect the device settings using
a password. The user is requested to input the password in
order to access the working screen (factory setting: 000).
Safe temperature confirmation:
Here you must confirm the safety temperature value of the
heating block.