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 4090010108 DPO10 Portable pH/ORP Meter(Color screen) 1.DPO10 16 100,00 Kč 18901142 DORP1-S ORP sensor 1 330,00 Kč MI150-E pH/Temp combined bench meter Mi150-E Price on request