pH55 (pH/Temp waterproof tester Mi5559 Back Catalog number: MI5559 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW402 TDS meter MW402 Price on request HI 98309 Konduktometr UPW, 0,000...1,999µS Price on request MW500 ORP meter MW500 Price on request