This is a set of a micro pump and a drive driver board. Connection cables are also included. The micro pump is made by Densou Sangyo, but manufactured by Sanwa Tsusho and is excellent as it does not require parts replacement. Model name: HS560VA203. The driver board for driving is from Melec. Model name: DB-2640/U16. There is also a cable to connect the pump and the driver board. It is in working condition. 【Pump Features/Specifications】 The plunger-type micro pump driven by a stepping motor, unlike a syringe pump, eliminates the need for frequent seal replacement, achieving unparalleled accuracy and flow rate reproducibility. ① Motor Unipolar stepping motor DC3.96 V, 4.8 ohms/phase, 820 mA/phase, 2.3 mH/phase, rotation: approx. 800 pps for self-start, approx. up to 4,000 pps with constant current 2-phase drive (please set to 2,000 pps or less during normal use). ② Volume/Stroke (Plunger OD x Stroke) F5600µl (22.57mmØ x 14mm) ③ Pump Head & Plunger VA clear PVC head + alumina plunger ④ Number of ports: 2 ⑤ Resolution: 0.01mm/pulse (2-phase drive) ⑥ Tube joint: 3mmØ ⑦ Resolution µL/pulse (2-phase drive) ⑧ Pressure resistance, 1 MPa = 10.2 kgf/cm² For details on the micro pump HS560VA203, please refer to the Sanwa Tsusho website. Regarding the driver board DB-2640/U16, you can download the manual from the Melec website, so please refer to it. 【Contents】 ① Micro pump HS560VA203 ② Driver board DB-2640/U16 ③ Pump-board connection cable (2 types, 1 each) ※ No box included #Pump #MotorDriver #DensouSangyo #SanwaTsusho #Melec #Melec #WindSpeedHomeAppliancesAndPCparts #HalloweenOnMercari