pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request MC120 pH monitor MC120 Price on request HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request