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 18901142 DORP1-S ORP sensor 52,94 € PH56 pH/Temp waterproof tester pH56 Price on request 4090010206 DPC100 Benchtop pH/Cond Meter 1.DPC100Meter 2.D20 909,85 €