IKA LR 1000 basic Mode D'emploi page 21

Counter and timer function:
Counter function:
When the heating function is started, the counter will start
automatically. The counter is displayed with 4 digits.
When the operating time is less than 1 hour, the counter
work with minute/second (mm:ss) mode and LED (M, see
Fig. 11) lights.
If the operating time exceeds 1 hour, the display switches
from minute/second mode to hour/minute (hh:mm) mode.
LED (L, see Fig. 11) lights indicate the status.
If the operating time exceeds 100 hours, the display switch-
es from hour/minute mode to hour mode
In hour mode, only whole hours are displayed.
In day mode, only whole days are displayed.
Hour mode
Day mode
• LR 1000 control:
Switch on the device:
After switching on the device using the power switch on
the front panel the device name and the software version
are displayed on the screen.
Lab Reactor
LR 1000 Control
Version X.X.XXX/X.XX
Fig. 14
After a few seconds, the working screen is shown on the
screen, device is ready for operation.
A
Safe Temp.: 210 °C
25.0
0
actual °C actual rpm
0 10
set °C set rpm
Fig. 15
40
Timer function:
The Time (+) button (D, see Fig. 11) or Time (-) button (D,
see Fig. 11) is used to adjust the heating time. If the timer
value is more than 1 hour, the display switch to hour/minute
(hh:mm) mode from minute/second (mm:ss) mode. The LED
(L) lights.
The max. value for timer is 99:59 (hh:mm).
Switching between "Counter" and "Timer" function:
The "Counter" function could be switch to "Timer" func-
tion by pressing the Counter/Timer key (C, see Fig. 11). The
timer LED (J, see Fig. 11) indicates the "Timer" function is
activated.
.
Press the Counter/Timer key (C) again, the "Counter" func-
tion will be activated and counter LED (K, see Fig. 11) lights.
Stirring function:
The stirring function can be started or stopped by pressing
the right rotating/pressing knob (A). The speed can be ad-
justed during operation.
The displayed value will flash until reaching the target speed.
Turn the rotating/pressing knob (A), the target speed set-
ting can be adjusted on the working screen. Press rotating/
pressing knob (A, see Fig. 12), the stirrer start to running.
Turn the rotating/pressing knob (B), the temperature set-
point can be adjusted. Press rotating/pressing knob (B, see
Fig. 12) to activate the heating function.
Explanation of symbols on the working screen:
The symbols displayed change depending on the status and
settings of the instrument. The screen below shows the
most significant symbols on the working screen.
A
Safe Temp.: 200 °C Timer: 00:00:00
pH-Value: 0.0 Δ Torque: 0%
Fig. 12
100.0 100
actual °C actual rpm
PC
100
100.0
set rpm
set °C
Fig. 16
Lock Key:
This symbol means that the function of the keys and the
rotary knobs for controlling the device are disabled.
The symbol no longer appears if the functions are enabled
once again by pressing the key button a second time.
Menu navigation and structure:
Menu navigation:
S
T
A
Fig. 17
Navigation controls
in the menu
Menu navigation:  Press the "Menu" button (S). Select program by turning the rotary/push knob (A). Press the rotary/push
knob (A) to access the program structure.
 Press the "Back" key (T) or the "Menu" key (S)
Menu
A
Safe Temp. 210 °C Menu
25.0
0
actual °C actual rpm
Stirring
0 10
Back
set °C set rpm
Note: If you press the "Menu" key (S), the system skips directly back to the working screen.
If you press the "Back" key (T), the system skips back to the previous display.
Temperature Sensor:
This symbol appears when the external temperature sensor
is connected.
A Operating Mode:
This symbol indicates the operating mode currently selected (A,
B, C).
USB:
This symbol means the device is communicating via a USB cable.
Heating:
This symbol indicated the heating function is activated.
  indicated active heating process.
Motor activated:
This symbol indicates the rotation status of the stirrer.
PC
PC control:
This symbol indicates the device is control via a PC.
Note: The display shows the activated menu option highlighted in
yellow color.
Stirring > Stirring
Torque trend measurement
Torque trend measurement The torque trend measurement
Intermittent mode calculates the relative torque
Speed limit changing inside the medium.
Back Back
Menu
Fig. 18
41