Heidolph LABOROTA 20 automatic - Manual (Page 98)

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Limit value:
Depending upon the desired vacuum, at which distillation should occur, it can be advantageous to
adjust the limit value. From the factory, the limit value is set at 900 mbar. The limit value can be
changed from 0 to 1200 mbar.
Pay attention that the limit value is never set lower than the value, at which
distillation should occur, as an „Emergency“ will be triggered otherwise.
Change limit value:
Switch off the LABOROTA 20 control with the master
switch „Power“.
Simultaneously press the Select key and the Start Stop
key in the „Speed“ field and switch on the master
switch „Power“. Wait until all LED´s light up and then