1. It is forbidden to start the machine when the luffing lever of the Yetuo ultrasonic crusher is not inserted into the liquid (no load), otherwise it will damage the Huaneng device or the ultrasonic generator.

2. The instrument shall be placed in a clean and dry place. Avoid humidity, high temperature, dust and corrosive gas in the surrounding environment, which may easily affect the instrument

3. In the experiment, the number of broken cells, the length of time, and the power of each cell need to be determined by the user according to the different cells, and the most accurate value should be selected.

4. It is recommended to use short time and multiple crushing, with ultrasonic time less than 5 seconds and interval time less than 5 seconds.

5. Do not touch it after opening the generator casing to prevent electric shock.

6. In case of fault or protection indication due to external signal, the protection indicator light will be on, the instrument will stop working, prompt the staff to remove the fault, and press the protection reset key to resume normal operation after the fault is removed.

7. The value displayed by the power meter is related to the voltage, the depth of the horn inserted into the liquid level, and the load and the concentration and consistency of the broken sample. If the horn is inserted deeper into the liquid level and the load concentration is larger, the displayed value may be slightly smaller, and vice versa.

8. Please fill in the use record in time after each use.