53,000 mS Conductivity Calibration Solution
Use this calibration solution to calibrate your Conductivity Probe and PM2 for saltwater salinity monitoring applications.
447 mS Conductivity Calibration Solution
Use this calibration solution to calibrate your Conductivity Probe and PM2 for RO/DI water quality and other freshwater applications.
Note: We suggest calibrating conductivity probes once every 3-6 months to keep readings reliable.
what's this?