... 3. credible accuracy 4. competitive price 5-25 10-50 50-250 100-500 200-1000ulMicropipette Micropipet Pipetman Main Specifications:Different measuring ranges of this ... could be chose,such as 5-25ul,10-50ul,50-250ul,100-500ul and 200-1000ul .Picture:Introduction: It uses the air ... button, that is a complete operation process. 5-25 10-50 50-250 100-500 200-1000ul Micropipette Micropipet Pipetman