Ultrasonic cell shredder use precautions

Ultrasonic cell shredder use precautions

The precautions for using the ultrasonic cell pulverizer are as follows:

1. The temperature protection set point must be 5 °C higher than the room temperature or sample temperature. When temperature protection occurs, press SET for more than 4 seconds to reset the protection value. When setting the wrong temperature, you can also press the SET button for more than 4 seconds to reset.

2. It is strictly forbidden to turn on when the horn is not inserted into the liquid (no load), otherwise the transducer or ultrasonic generator will be damaged.

3, the amount of various cell disruption, the length of time, power size, waiting for the user to determine according to a variety of different cells, select zui good value. The output power of this instrument is relatively large. If Ф2, Ф3 or Ф6 horn is used, the power should be turned smaller to avoid overloading and rupture of the horn.

Ranger power range horn range power range Φ22~20%

Φ33~30%

Φ610~50%

Φ10>18%

Φ15>22%

Φ20>30%

4. After a certain period of time, the end of the horn will be corroded and corroded, and it can be flattened with oil stone or trowel, otherwise it will affect the working effect.

5. The use of the horn selection switch is used to match the frequency and impedance of the horn and generator of different specifications. If the frequency of the transducer assembly does not match the impedance of the generator, the ultrasound will not work.

When a new instrument or a new horn is used, the selector switch should be in the corresponding position. When the horn is worn, the switch can be toggled until the ultrasonic operation is normal. At this time, the gear position does not necessarily correspond to the horn specifications.

The horn selection switch of the ultrasonic cell pulverizer is generally placed at the position corresponding to the horn. When the horn is worn, the user can freely select the gear until the ultrasound works normally. At this time, the gear and the amplitude change Rod specifications do not necessarily correspond.

6, no need to preheat, the use should have a good grounding.

7. When ultrasonication is broken, the liquid will rise rapidly due to the cavitation effect of the ultrasonic wave in the liquid. The user should pay more attention to the temperature of various cells. It is recommended to use multiple breaks in a short period of time (no more than 5 seconds each time), plus an ice bath for cooling.

8. The ultrasonic cell pulverizer uses a switching power supply without a power frequency transformer. Do not touch it after opening the generator casing to prevent electric shock. The instrument has reliable performance and is generally not easily damaged.

9. The ultrasonic cell pulverizer should be placed in a place where it is dry, free of moisture, direct sunlight, and no corrosive gas.

10, practice shows: a short time of multiple work, working time 1-2 seconds, gap time 1-2 seconds, better than continuous long-term work. To prevent liquid heat, set a longer gap time. In addition, uninterrupted long-term work is easy to form no-load, shortening the service life of the instrument.

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