TIS Capillary Electrode, API 2000, QTRAP Back Catalog number: CTS-21212 Availability: In the manufacturer's stock Price on request - + Recommended CD600 TDS tester with ATC, range: 0 - 1990 ppm Price on request MI806 Portable meter pH/EC/TDS/Temp Mi806 Price on request MW802 Smart pH/EC/TDS combined meter MW802 Price on request