Comb log GLP pH/mV/EC/TDS/NaCl/Temp Mi180 Back Catalog number: MI180 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request