... -2 four kinds of pump heads, with flow rate from 0.05-1140mL/min.Graphic LCD ... displays the operation process, showing flow rate directly, which offers a friendly platform for ... YZ2515x,DG-1 ,DG-22. display rpm and flow rates3. calibration capability enables the product to control ... H)202 × 160 × 239 (mm)External control interfaceStart/stop control, cw/ccw control and speed control (0~5V, ...