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 MW302 Conductivity meter MW302 Price on request PH56 pH/Temp waterproof tester pH56 Price on request MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request