Mektronic Engg. Co. Manufactures Digital Micro Suction Pump. Mektronic Engg. Co also manufactures various types of medical and surgical instruments. The Digital Micro Suction Pump, Model DMSP-2, has digital indication of vacuum pressure with vacuum range up to 200mm Hg. The Digital Micro Suction Pump has maximum free air flow at 4 liters / minute with quick release of vacuum to prevent air bubbles. The Digital Micro Suction Pump has non-pulsatile vacuum which prevents oocyte fracture.