AWS-A803 ONLINE WATER SAMPLER BOQU Automatic Online Water Sampler applies to automatic collection and refrigeration of water samples from environmental protection departments, sewage treatment plants, drainage management offices, sewage discharge enterprises, water treatment processes, and enterprises’ total sewage outfall.the online water sampler is used with COD,Ttotal phosphorus,total nitrogen,ammonia nitrogen, heavy metal etc online monitors for on-line use. The online water sampler can automatically sample water according to various modes such as time proportion and flow proportion under unattended conditions, and the collected water samples can be sent to the laboratory for various analyses. BOQU online watere sampler is an ideal tool for environmental monitoring departments and sewage discharge enterprises to master the water quality and for metering and charging, and an important technical means for emission reduction.