Thermo Fisher Scientific”s Orion 2120XP calcium hardness monitor is the latest product in the company”s next generation of online water analysis products for customers in the power and drinking water markets. The Orion 2120XP is designed for ease-of-use and reliability for users at any skill level. The monitor meets requirements for calcium hardness analysis with complete assurance. This monitor provides step-by-step scrolling instructions for setup, calibration, operation, and diagnostics sub menus. The monitor is designed to offer protection from the costly effects of scale upon your ultra-pure water system. Designed for durability and repeatability, this monitor is built to withstand the demands of continuous online monitoring for a variety of calcium hardness applications.