Essentials LAB EC Meter Calibration Solution is intended for use in calibrating EC meters to CF 28 – EC 2.80 – PPM 1820.
Regular calibration will keep your EC Meter reading accurately.
Highly accurate calibration solution Ensures that your EC Meter is reading correctly
Technical Specifications: Potassium Chloride solution
Electrical Conductivity: 2.8ms/cm @20°C PH 4–5