Water Purity Tester, 0.0 to 99.9mS/cm Back Catalog number: HI 98308 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request MC310 Conductivity monitor MC310 Price on request MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request