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 4090010005 DORP1 Pocket ORP Tester 1.DORP1Meter (battery pre 133,25 € 4090010002 DEC1+ Pocket Cond Bluetooth Tester 1.DEC1+ Meter ( 150,31 € MW301 Conductivity meter MW301 Price on request