HACH is well known for the quality and diversity of their equipment. Veolia Water Technologies Canada offers several types of their "American Sigma" samplers:
- Portable Model 900 with option of mixed or multiple bottles
- Refrigerated Model 900 with option of mixed or multiple bottles
- Refrigerated "All Weather"Model 900 designed for very corrosive applications (p.e.H2S).
- Model 900 Max can analyze several parameters for water quality as well as perform automatic sampling.