The Orion VersaStar Pro Advanced Electrochemistry Meter by Thermo Scientific is a high-quality pH meter with a pH range of 0-14 and a conductivity range of 1 μS/cm to 199.9 mS/cm. It also measures Total Dissolved Solids (TDS) in the range of 0 to 2000 µS/cm. This advanced meter is designed for precise measurements in a variety of industrial and laboratory applications, providing accurate results for pH, conductivity, and TDS readings. Made in the United States, it is a reliable tool for ensuring quality control and compliance in various testing and inspection settings.