Discover our selection of Measurement & Control (DID) systems—designed for precision monitoring and automation in water treatment, chemical dosing, and industrial processes. At Pump‑Stop.com, we carry DID controllers, pH/ORP sensors, conductivity and pressure transducers, relay modules, and panel-mount display units engineered for seamless integration with dosing pumps and process controls. These systems provide reliable data-driven management of flow, chemical levels, and system status. We also offer compatible accessories such as cable assemblies, calibration fluid, sensor holders, and mounting brackets to support installation and serviceability. Ideal for applications requiring accurate measurement and automated responses—like pH regulation, chemical dosing, or process monitoring—these components are built for durability and ease of use. Need help selecting the right controller or sensor? Our technical team is ready to support you. Enjoy fast U.S. shipping and secure checkout with every order.