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 MI170 Comb. Log. GLP EC/TDS/NaCl/Temp bench meter Mi170 Price on request HI 98103 pH tester CHECKER Price on request MC120 pH monitor MC120 Price on request