Founded in 1947 in Iowa, USA and now operating across the globe, Hach is a major instrument supplier, offering a wide range of monitoring instruments and providing analytical expertise for ultrapure water, wastewater, and process water (for processes such as wafer polishing, clean rinsing and backgrinding). The company’s water management solutions for process monitoring and laboratory analysis facilitate real-time management of corrosion-reduction methods, ion exchangers, membrane systems and filtration to optimise efficiency in water and wastewater treatment.

Within ultrapure water, it provides fully integrated monitoring solutions, complete suite of field and lab instruments, along with process control solutions. Hach’s expertise in ultrapure water has been utilized by a major electronics company in Singapore, providing monitoring for parameters such as turbidity, chlorine, sodium and silica.

The company was acquired by the Danaher Corporation in 1999 and has been under the umbrella of Veralto since 2023.