The Conductivity Standard Solution arrives in a 500mL bottle and calibrates at 1,000µS/cm or 50,000µS/cm. It is used to calibrate our various devices listed below:
ST-720 Inline Conductivity Sensor
SP-400 PTSA + Conductivity Handheld
SP-710B Handheld Water Multimeter
SP-710 Handheld Water Multimeter