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Calibration Certificates for Thornton, 2-Electrode sensors are available for download at your convenience.
This database currently holds the most recent calibration certificate as of January 1, 2014. This is a free service to our customers. Upon completion of a brief, 1-time, registration you will receive a password for access to the database.
Simply enter the serial number of your conductivity sensor to view, download, or email a link to the Certificate.
Conductivity standards are produced, analyzed, and documented in the Mettler-Toledo Thornton ISO 9001 certified facility with processes similar to those used to calibrate high accuracy Thornton conductivity sensors. They are packaged in sealed containers to assure retention of the certified value for the full shelf life. These standards are analyzed and used at equilibrium with the atmosphere.