pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Back Catalog number: PH58 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MW402 TDS meter MW402 Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request