Conductivity (Salinity) Calibration Standard

• Salinity¬†Standard (Conductivity 53000 uS/cm) is used for calibrating¬†a conductivity(salinity) probe in a saltwater fish tank
• Conductivity 447 uS/cm Standard is used for calibrating and measuring the conductivity of RO/DI water with a PM2 module
• To calibrate all your probes on your Apex check out the complete calibration kit!