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Mettler-Toledo Thornton created the in-line resistivity market and is now recognized as the leader for ultrapure water applications and measurement expertise throughout the world. Thornton develops, manufactures and markets instruments used to monitor and control liquid processes. Mettler-Toledo Thornton specializes in the measurement of pure and ultrapure water with parameters such as resistivity, conductivity, flow, pressure, pH, ORP, temperature, dissolved oxygen, and total organic carbon. Thornton serves customers in many industries including: Water Purification Systems, Semiconductor Manufacturing, Consulting Engineering, Pharmaceutical/Biotech, Power & Steam Generation.