The Thermo Fisher Scientific Orion 5 Star pH/ISE/Cond/DO Meter is a versatile and reliable benchtop instrument designed for precise measurement of pH, ion-selective electrodes (ISE), conductivity, and dissolved oxygen. Engineered for laboratory and field applications, it offers robust performance and user-friendly operation. Ideal for environmental monitoring, water quality testing, and other analytical chemistry applications, it ensures accurate and reproducible results. The Orion Star series features intuitive controls and a clear digital display to simplify complex measurements. Compact and portable, this meter supports multiple electrode types and calibration options to meet diverse testing requirements.