Ratek waterbath they aresolid state Clear Digial Readout control is used to provide accurate and stable temperatures. For safety, a manual reset cut out, disconnects power to the element if the water level falls too low. The tank and surround is polished, grade 304 stainless steel, and the outer case is manufactured from a chemical and flame resistant plastic to provide durability and safety. A perforated panel is supplied to support flasks and containers. Polycarbonate or stainless steel gabled lids are available as an option.