The Bühler 4010 is the standard sampler covering 90% of routine demands. It features an insulated SS housing, separate control and sample compartment with lockable door, flexible sampling system options and many bottle configurations, well known sample volume accuracy, suction velocity and cooling performance. The Bühler 3010 is the entry stationary water sampler. The new plastic enclosure is robust, weather resistant and corrosion free. The unit is easy to set-up and maintain as it has a separate control and sample compartment with lockable door. Multiple bottle configurations in combination with well-known sample volume accuracy, suction velocity and cooling performance are provided. The Bühler 4210 is a variant of the 4010 with an integrated water rinsing system for cleaning. Typical application include sampling station for sludge tanker at the inlet of waste water treatment plants and samples with higher suspended solid concentrations. The Bühler 4410 is based on the 4010 design, with the difference of samples being taken continuously: the first filled bottles are automatically emptied and cleaned before sampling starts again – self-emptying. Main application include river monitoring and outlet monitoring on waste water treatment plants where it is not necessary to analyze samples every day. The Bühler 1027 is a basic wall-mount sampler. It takes time/flow proportional composite samples and is suited for industrial or wastewater treatment plants.