Compact peristaltic mini pumps SM and EM series for laboratory use, which adopt compact and embedded designs are more suitable for supporting a variety of instruments and equipments. Single and dual channel are optional. Laboratory peristaltic mini pumps use OLED screen display the current motor speed, direction and working state. Membrane keypad operation, control the start/stop, direction and speed. The pumps has external control interface to achieve external control. The flow rate pumps also has 485 communication function, achieve multi-point control.