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 MI105 Portable meter Mi105 Price on request CD600 TDS tester with ATC, range: 0 - 1990 ppm Price on request PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request