The Thermo Scientific Orion Versa Star is the ultimate benchtop meter offering the highest in versatility, performance and simplicity for your lab. When you need to change the parameters you measure, the Orion Versa Star meter evolves with you. Simply swap out a measurement module from one of the meter’s four available channels and you’re ready to go. There are five measurement modules offered to build an Orion Versa Star meter specifically for your lab’s needs – select from pH, pH/ISE, pH/LogR, Conductivity, and Dissolved Oxygen modules.