It is extremely common in daily life. However, many people are not very clear about how to use the vacuum Mold Temp Controller specifically, nor are they very familiar with the precautions of the vacuum Mold Temp Controller. Now, let's all get to know the vacuum Mold Temp Controller together.

Used by Mold Temp Controller

Turn on the main power switch on the left side of the computer case. The digital display of the air pressure shows 110pk of atmospheric pressure.

Press and hold the master power button on the control panel for more than three seconds. The temperature digital display shows the actual temperature of the cold trap.

Start the refrigeration machine and pre-cool for more than 30 minutes.

4. Put the sample into the sample rack, cover it with the acrylic cover, and start the vacuum pump.

After the digital display of the air pressure stabilizes, record the temperature and air pressure values.

1. Record the temperature and air pressure values before the shutdown;

Press and hold the inflation valve on the control panel and immediately turn off the vacuum pump.

When the digital display of the pressure shows atmospheric pressure, open the plexiglass cover and take out the sample.

4. Turn off the refrigeration machine, press and hold the main power button for more than three seconds, and then turn off the main power switch.

After the ice in the cold trap has completely melted into water, open the water outlet valve on the left side of the computer case to release the water, clean the inner wall of the cold trap with a dry cloth, and cover it with a large piece of filter paper to prevent dust.

Precautions for Mold Temp Controller

When preparing samples, their surface area should be expanded as much as possible, and they must not contain acidic, alkaline substances or volatile organic solvents.

The samples must be completely frozen into ice. If there is any residual liquid, it will cause vaporization and ejection.

Note that the cold trap is approximately minus 65 degrees Celsius and can be used as a low-temperature refrigerator. However, it is necessary to wear insulated gloves when operating to prevent frostbite.

Before starting the vacuum pump, check whether the outlet valve is tightened, whether the inflation valve is closed, and whether the contact surface between the acrylic cover and the rubber ring is clean and free of dirt for good sealing.

Under normal circumstances, this machine should not be used continuously for more than 48 hours.

During the freezing process of the 6 samples, the temperature gradually decreases. The samples can be taken out and warmed up for a period of time (still in a frozen state), and then continue to be dried to shorten the drying time.

Precautions: Do not frequently switch on and off during operation. If the refrigeration machine stops running due to operational errors, do not start it immediately. Wait at least 20 minutes before restarting to avoid damaging the refrigeration machine. After each freeze-drying, when the ice on the cold trap coil melts into water, wipe it clean with a towel. When the freeze-drying is completed and the "inflation valve" is opened to inflate the cold trap, do it slowly to avoid damaging the vacuum gauge.

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