Speed Setting - Heidolph LABOROTA 20 S A Mode D'emploi

E
Exceeding the max. fill mark (about 30 mm below tank rim, monitored by float switch), the Lift UP
motion is discontinued automatically.
float switch must be connected
As water in the heating bath evaporates, the heating bath itself travels up in small increments for
compensation, until reaching the upper stop.
If max fill level is not sensed at the upper stop, the water will be refilled automatically.
Oil bath only:
The LABOROTA 20 control automatic OB (oil bath) features neither refill or float switch.

15. Speed setting

Display
Change between Act Speed and Set Speed display with
Select key. Act Speed LED or Set Speed LED illuminate.
Select LED Set Speed for speed setting.
Nominal speed (rpm) appears in the display.
Change nominal speed with Set keys.
5 seconds after last entry, display will change to "Act", last
entry will be saved.
Start rotation with Start Stop key.
Hit this key once more to stop rotation.
CAUTION: for safety reasons, start rotation at low speeds.
Rotational speed can be increased during operation.
Never exceed a speed of 100 rpm, while working with a 20 l
evaporation flask.
If rotation does not start with the Start Stop key, please check for illumination of one or more of the
Safety Cover, Flask Support or Rotation Stop LED's.
If this occurs check if the enclosure is open, flask support not in one of its extreme positions, or the
drive lock engaged.
For more information refer to safety functions page 100.
Act Speed LED Select key
Set Speed LED
Start key
Stop
increase
88
Rotation LED
decrease