Peristaltic Pump, 24V 10L/min Air Flow Oil-Free Diaphragm Vacuum Pump Negative Pressure Laboratory Small Adjustable Brushless Motor

❤ Make sure that the set working rate is 15-30KHZ. If the speed regulation frequency is not set according to the requirements, the pump cannot work normally. ❤ If the frequency is corrected by mistake, it can be adjusted according to the following steps. ❤ When not in use for a long time, please disconnect the power supply. ❤ SERVICE:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours