More than 60 years ago, we set out to change the way the world monitors and analyzes water quality. Today, we develop and manufacture state-of-the-art online water analyzers made in Germany. Our broad product range allows clients to monitor key water parameters such as hardness, chlorine, alkalinity, iron, and more.

Heyl Brothers is an industry leader in high-quality online water analysis and monitoring equipment. Our Testomat® series measures a wide range of parameters while maintaining a simple, user-friendly design. This ensures easy on-site maintenance and reliable performance in demanding environments.

Our systems are used in cooling towers and boiler houses across industries including food and beverage, data centers, power generation, and life sciences. With flexible manual programming for interval sampling and no need for calibration, we provide practical solutions tailored to your monitoring needs.