The Hanna Instruments HI 99161 Portable HACCP pH/temperature Meter for Food and Dairy is a portable, pH and temperature meter is specifically designed for dairy applications. + The Hanna Instruments HI99161 comes with the FC 202D pH electrode features a rugged, easy to clean, PVDF body with a conical tip ideal for measurements in semi-solids such as meats and cheeses. The Hanna Instruments HI 99161's Probe is also provided with a free diffusion sleeve type reference junction which prevents the typical problems of clogging in viscous liquids such as milk or condiments. The electrolyte used in the FC 202D electrode is free from poisonous silver chloride which, in turn, effectively eliminates food contamination by the electrode.