Aquamatic S100 Sampler, Suitable for Outdoor use ● No Sample Frost Protection ● Ambient range: -10°C to +50°C.  This is the next level of the Aquacell.  With an integrated cover and seal, this sampler is ready to be hung on a wall near the headworks or installed inside a building where washdown is a frequent occurance.  The EPA has preferred vacuum for years, and no wonder. With high velocity horizontal transport rates and consistent volumes, Aquamatic samplers are the go to for your demanding sampling needs.