Check the listing for details. Thermo VSTAR50 Orion Versa Star Pro Benchtop Meter + pH, Conductivity, Stand. Condition: Used. Listed at 2200.00 USD. Used Thermos Scientific VSTAR50 Meter and Stand. Everything works great and is well-maintained. Comes with a power supply, manual, Orion COND 4-Cell conductivity probe, 8175BNWP ROSS Sure-Flow pH Electrode probe, and a stand. Everything you need to get started on a project. Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter. Meet your most challenging applications for pH, mV, ORP, conductivity, total dissolved solids (TDS), salinity, resistivity and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. View pH and conductivity simultaneously or view each channel separately. Log up to 2000 data point sets with time/date stamp and easily transfer logs to a printer or computer