Thermo Electron Corporation 4-Star™ pH/ISE Portable Meter

Ion-Selective Field Effect Transistor (ISFET) Electrodes

Simultaneously displays pH or ISE and temperature.
Specifications: ISE mode reads in M, mg/L, ppb, percent or no units. Ergonomic design fits nicely in your hand while delivering over 2000 hours of continuous operation. IP67 meter is waterproof and dustproof to withstand the toughest field conditions. Runs on 4 AA batteries (sold separately) with date protection even without power. Calibration log stores the last 10 calibrations. Stores the last 10 saved user methods and up to 200 data logging points by time, stability or manual read all with a time/date stamp. Optional Portable Impact Jacket is ideal for field use; holds meter and two electrodes. Kit includes meter, pH electrode, buffers, pH storage solution and hard field case. Made in the USA.
Compliance: CE, CSA, UL.