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The Hanna Instruments HI99161N is an ideal pH and temperature meter for food and dairy applications, where the pH of raw semi-solid material is continuously checked to ensure that quality standards have been met. The special conical tip of its electrode allows it to penetrate semi-solid samples such as cheese and meat.

The pH of milk used for cheese manufacturing determines whether the cheese will be soft or hard. Certain pH values must likewise be maintained in the manufacture of butter, yogurt and jelly products.

pH also determines the shelf life of foods. For example, growth of pathogens is inhibited by bringing the pH value below 4.5.

The HI99161N's waterproof, non-toxic casing provides excellent protection from water and humidity. The meter utilizes the Hanna FC 202D pH electrode with built-in temperature sensor. The electrode has a rugged, easy to clean, Kynar® body that tapers to a strong conical tip. It also has a free diffusion sleeve-type reference junction which prevents the typical problems of clogging in viscous liquids or samples with high solids content such as milk. The electrolyte used in the FC 202D electrode is free from poisonous silver chloride, preventing food contamination. HI99161N allows automatic calibration at either NIST or standard buffer sets with auto recognition and a stability indicator.

The temperature is continuously displayed on the secondary level of the large LCD. The meter runs on common 1.5 AA type batteries and the LCD provides a low battery warning signal.

The HI99161N is supplied with FC 202D pH electrode, pH 4 and pH 7 buffer sachets, HI 700642 cleaning solution (2 x 20 mL), batteries, rugged carrying case and instructions.

 

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