Sigma Flow and Sampling 

Hach is proud to welcome Sigma products and services to the Hach Company family.

In the tradition of Sigma, Hach will continue in the design and manufacture of innovative flow, sampling, and rain quality instruments, communication products and data management software. This alliance will strengthen our ability to provide the most convenient, comprehensive water and wastewater monitoring solutions in the market.

With more than 75 years of combined experience and cutting-edge technology, Hach will continue to bring the same customer-focused approach to Sigma products and services. Hach is known for products and services that consistently deliver accurate data with a minimum of operator field time. Our integrated manufacturing and technical experience ensures that customers will receive world-class products and support.

Sigma Flow/Level Measurement:

Detect infiltration and inflow, and limit overflows that can cause health risks and environmental damage. Sigma flow meters are known for accuracy and efficiency, to save you both time and expense.

Sigma Sampling:

Portable wastewater samplers, refrigerated wastewater samplers, and all-weather wasterwater samplers meet a wide range of needs.

Sigma Communication/Data Management:

Track events in multiple locations with Sigma remote communications and data collection products. Accurate, reliable data ensures that each remote site is performing normally.