pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request HI 98103 pH tester CHECKER Price on request PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request