Use of freeze-dryer Notes:
Boot
1 Open the main power switch on the left side of the chassis, the air pressure is displayed as the atmospheric pressure 110pk;
2 Press and hold the main switch on the control panel for more than three seconds, the temperature is displayed as the actual temperature of the cold trap;
3 start the refrigerator, pre-cooling more than 30 minutes;
4 Place the sample in the sample holder, cover the plexiglass cover, and start the vacuum pump;
5 to be stable after the pressure digital record temperature and pressure values.
Shut down
1 record the temperature and pressure values before shutdown;
2 Press and hold the control panel inflation valve and immediately turn off the vacuum pump;
3 barometric pressure was atmospheric pressure, open the plexiglass cover, remove the sample;
4 Turn off the refrigerator, hold down the main switch for more than three seconds, and finally turn off the main power switch;
5 Wait for the ice in the cold trap to become completely water, open the water outlet valve on the left side of the chassis, and clean the inner wall of the cold trap with a dry cloth. Cover with large sheets of filter paper to prevent dust.
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