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 3 970,00 Kč PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request 4090010006 DEC1 Pocket Cond Tester 1.DEC1Meter (battery pre- 3 260,00 Kč