How To Setup Parameters; How To Shut Down The Rotary Evaporator - Labtech EV400 Series User Manual

EV400 SERIES – User Manual

How to setup parameters

Press the SET key to enter the temperature set interface, SP will be displayed in the upper line, then the
temperature can be set via.
Press the SET key a 2 time to enter the holding time set interface, ST will be displayed in the upper line, then
nd
the desired holding time can be set on the setpoint.
Press the SET key a 3 time to enter the heating mode set interface, ND will be displayed in the upper line,
rd
then the heating mode 0 (water bath) or 1 (oil bath) can be set.
Press SET key a 4 th time to save and go back to the normal interface.
The lower line of the LCD screen displays the total running time. When the actual temperature is up to the
setpoint, the timer starts and the second signal of time flashes. The screen will display End, when the holding
time is over, and the beeper will keep buzzing for 30 s. Press and hold for 3 s to rerun the main function.
Note: The holding time can be set from 00:01 to 99:59.
By setting the holding time to 0, the lower line of the LCD screen will display the setpoint temperature and the
system keeps the heating state.
When the unit is overheating, the buzzer will sound and ALM will be displayed on the LCD screen. If the
overheating state is caused by the temperature set operation, there will be no buzz and only ALM be displayed on
the screen.
Press any key to stop the buzzer.
In parameter set interface, the screen will turn to normal interface automatically in case of no operation in 1
minute.
How to shut down the rotary evaporator system
(1) Shut down the heating bath; (2) Set the rotation speed to 0 and lift the evaporating flask; (3) Shut down
the
main unit; (4) When the flask is cooled to ambient, turn off the vacuum pump and/or the chiller, if any.
NOTE: After switching off the instrument it's better to disconnect the power plug from power socket to
guarantee the safety.
Periodically replace heating liquid and clean the bath to keep longevity.
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