KNF 步進馬達驅動 定量液體幫浦Stepper-Motor-Driven Dosing PumpsDispense Volume 5 - 520 µlFlow Rate 0.2 - 90 ml/minMax. Pressure Height 60 mWg動力源為步進馬達,藉脈波控制步進角,確保精準流量控制,最低可達0.2 ml/mi……