1. When liquid accidentally enters the piston chamber, promptly remove pollutants.
2. After use, adjust the range of the pipette to the maximum value and place it vertically on the pipette track;
3. All products should be regularly cleaned with soap water or disinfected with 60% isopropanol according to the frequency of use, and then cleaned and dried with double distilled water;
4. To prevent inaccuracies caused by liquid leakage and deformation, do not place it in high temperature areas;
5. Immediately entrust experts to handle any issues discovered.