Commissioning of DZF-6210 vacuum drying oven
2022-08-07 06:04:49
DZF-6210 vacuum drying oven is specially designed for drying heat sensitive, easy to decompose and easy to oxidize substances. It can be filled with inert gas inside, especially for some complex materials, it can be quickly dried. It is suitable for industrial and mining enterprises, scientific research institutes, scientific research. The unit is subjected to a drying heat treatment or the like under vacuum. After the vacuum degree of the vacuum drying oven is adjusted, the following operations can be performed:
1. Turn on the vacuum oven power supply. At this time, the power indicator light should be on (6090 and 6210 models should be turned on separately.) The temperature controller is powered on and self-test. The PV screen displays the temperature measured in the working room. The SV screen displays the factory settings. The temperature is fixed. The AT and HEAT lights on the temperature controller should be on, indicating that the instrument enters the warm working state.
2. Modify the set temperature 2.1, press the function key (SET) of the temperature controller; after the SP screen displays the SP character, you can use the button to change the set temperature. 6210 type 2 and 3 instruments should be set separately. The following classes are the same as 2.2. After the modification is completed, press the SET button again. The PV screen displays the ST character and sets the timing time. If you do not use the timing function, still let its ST=0
2.3. Press the SET button again to make the PV screen display the studio temperature, and the SV screen displays the new set temperature. The meter AT and HEAT lights are on, and the meter re-enters the warming state.
3. When the temperature in the working chamber is close to the set temperature, the HEAT light will be dimly lit and dark, indicating that the heating enters the PID adjustment stage. The meter sometimes measures the temperature exceeding the set temperature, and sometimes the temperature below the set temperature is normal. When the measurement is 1~2h, the studio enters a constant temperature state, and the item enters the drying stage.
4. When the required temperature is low, the secondary setting mode can be used. For example, the required working temperature is 70 °C, the first time is set to 60 °C, the temperature overshoot starts to fall back, and the second time is set to 70 °C. This can reduce or even eliminate the temperature overshoot phenomenon and enter the constant temperature state as soon as possible.
5. When the item is dry, turn off the power. If the temperature is lowered, open the bleed valve to make the vacuum level 0. Wait for about 5 minutes and then open the door.
6. If the humidity of the dry matter in the working chamber is large, the generated moisture will affect the performance of the vacuum pump. It is recommended to insert a “drying/filter†between the vacuum drying oven and the vacuum pump.
1. Turn on the vacuum oven power supply. At this time, the power indicator light should be on (6090 and 6210 models should be turned on separately.) The temperature controller is powered on and self-test. The PV screen displays the temperature measured in the working room. The SV screen displays the factory settings. The temperature is fixed. The AT and HEAT lights on the temperature controller should be on, indicating that the instrument enters the warm working state.
2. Modify the set temperature 2.1, press the function key (SET) of the temperature controller; after the SP screen displays the SP character, you can use the button to change the set temperature. 6210 type 2 and 3 instruments should be set separately. The following classes are the same as 2.2. After the modification is completed, press the SET button again. The PV screen displays the ST character and sets the timing time. If you do not use the timing function, still let its ST=0
2.3. Press the SET button again to make the PV screen display the studio temperature, and the SV screen displays the new set temperature. The meter AT and HEAT lights are on, and the meter re-enters the warming state.
3. When the temperature in the working chamber is close to the set temperature, the HEAT light will be dimly lit and dark, indicating that the heating enters the PID adjustment stage. The meter sometimes measures the temperature exceeding the set temperature, and sometimes the temperature below the set temperature is normal. When the measurement is 1~2h, the studio enters a constant temperature state, and the item enters the drying stage.
4. When the required temperature is low, the secondary setting mode can be used. For example, the required working temperature is 70 °C, the first time is set to 60 °C, the temperature overshoot starts to fall back, and the second time is set to 70 °C. This can reduce or even eliminate the temperature overshoot phenomenon and enter the constant temperature state as soon as possible.
5. When the item is dry, turn off the power. If the temperature is lowered, open the bleed valve to make the vacuum level 0. Wait for about 5 minutes and then open the door.
6. If the humidity of the dry matter in the working chamber is large, the generated moisture will affect the performance of the vacuum pump. It is recommended to insert a “drying/filter†between the vacuum drying oven and the vacuum pump.
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