Code:7305003008 continuous adjustable micro-pipette the prcision measurement device used in laboratories.the material is carefully selected to guarantee good physical and chemistry performaence,satisfying the following conditions: the entire product can be sterilized in autoclave,20 minutes at 121'degree 1 M Pa the entire product can be sterilized by UV light during long time of exposure to acid and alkali air and sovent,no corroded or damaged phenomenon can be found on the ploastic componebts. the adjusted volume can be locked,eliminateing the error caused by the displacement in the operation volume adjustment by revolving the round push-button,easy and convenient.