Product Description:
Time program control is adopted. This control mode does not need the support of instrument. Firstly, the automatic dosing cycle, dosing amount, dosing time and dosing frequency are set according to the operation requirements of the system. In the later system operation process, to the dosing cycle, the metering pump automatically open dosing, add to the specified time metering pump closed; To the sewage cycle, the metering pump stop dosing, discharge to the specified time, the metering pump continue to open, to supplement the sewage lost agents, the system of drug content to maintain the normal level, added to the specified time metering pump closed.