How does vacuum sampling work?

An example of composite sampling

An example of discrete sampling

outdoor sampler bvs
Outdoor Sampler - The BVS 4300
BVS 4300
Built to last, the BVS 4300 sampler can withstand an enormous amount of wear and tear. Used outdoors and in environments with toxic or heavy use.

indoor sampler cvs
Indoor Sampler - The CVS 4200
CVS 4200
Engineered with precise vacuum sampling technology, the CVS 4200 is the industry's best for reliable & accurate sampling needs.


portable sampler - pvs
Portable Sampler - The PVS 4100
PVS 4100
A leader for precision in the portable market, our portable sampling units are designed to withstand outdoor environments and take the most accurate samples possible. The PVS 4100 is tough, reliable, and dependable.


southwell upgrades & parts
Upgrades & Parts
Our samplers tend to last for decades, but some parts have been replaced with upgrades and improvements. Our engineers are making improvements monthly, so if you have an old Sirco Sampler, perhaps it's time to look into upgrading. All new parts are backward-compatible.