The FC-9624 multifunction automatic water sampler can also be referred to as an equal proportion wastewater sampler or portable water sampler. These devices are intended for use as environmental monitoring equipment in surface and wastewater sampling, water source monitoring, investigating pollution sources, and all around water quality control. It adopts an international water sampling method carried out by peristaltic pump which is controlled by SCM (single chip microcomputer). The users can input sampling intervals, sampling quantity and sampling methods according to their requirements.