To prolong the service life of the pesticide residue tester, we must start from the daily use and daily maintenance, mainly by the following aspects:
1. The environment in which the instrument is placed should be kept dry, dust-free, and vibration-free. In order to prolong the service life of the instrument, if the instrument is not in use for a long time, the rechargeable lithium battery should be taken out and stored in a dry place.
2. When using the pesticide residue tester for the first time, make sure that the lithium battery is fully charged. When installing the lithium battery, the user should pay attention to the polarity of the battery plug.
3. If the indicator indicator of the pesticide residue tester is not lit, it indicates that the current battery level is too low, and it should be charged in time, otherwise the instrument will automatically shut down.
4. The internal passage of the pesticide residue tester should be kept clean and free of dust. If there is dirt, it should be wiped clean.
5. After using the instrument, wipe the instrument clean with a soft cotton cloth. If it is not used for a long time, keep the instrument in the instrument box and store it in a dry place to ensure the instrument has good accuracy, reliability and long service life.
6. When the instrument is not in use, it should be turned off. After the instrument is turned off, if the power adapter is powered, the power indicator will light. If it flashes, it indicates that the lithium battery is charging.
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