(1) If the liquid accidentally enters the piston chamber, the pollutants should be removed in time;

(2) After using the pipette, adjust the pipette range to the maximum range and place it vertically on the pipette frame.

(3) All pipettes depending on the frequency of use should be cleaned regularly with soapy water or disinfected with 60% isopropyl alcohol, washed with double steam, and let dry.　

(4) Avoid placing in a higher temperature to prevent deformation leakage or inaccurate;

(5) Problems should be dealt with by professionals in time.