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 C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request CD611 Conductivity tester with ATC, 0 - 20000 µS/cm Price on request MW600 Dissolved oxygen meter MW600 Price on request