EDGE pH/ORP metr Back Catalog number: HI2002-02 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MW401 TDS meter MW401 Price on request CD611 Conductivity tester with ATC, 0 - 20000 µS/cm Price on request MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request