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 4090010107 DCD10 Portable Cond/DO Meter (Polarographic Type/C 793,42 € PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request 4090010208 DCD100 Benchtop Cond/DO Meter (Polarographic Type 1 020,52 €