Hanna HI222 Bench pH Meter


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Hanna HI222 Bench pH Meter

Professional pH Meter for Wine Analysis

Complete Kit for Wine pH Analysis
Automatic pH Calibration with pH 3 & 7 Buffers
CPS^tm Electrode Technology

Most pH measurements in the process of making wine are made in the must. A pH electrode gets dirty very rapidly when measuring the pH of must. This is because sediments deposit on the sensitive pH measuring bulb and on the pH electrode junction. This becomes a big problem during the actual pH measurement and even after, if the electrode has not been properly cleaned. A dirty pH electrode can give inaccurate results that are up to 0.5 pH, even after a pH calibration has just been performed. Conventional pH meters do not warn the user when the pH electrode is dirty. A common example of this occurs when, just after calibrating the instrument the pH electrode is immersed into the pH 7 buffer, and the reading is lower than expected (pH 6.8 or 6.9 instead of 7.0). HI 222 uses the HANNA instruments^® unique technology to detect when the electrode is dirty and give a warning during calibration. HI 222 is the only pH meter in the market today, that allows automatic pH calibration with pH 3 and pH 7 buffers. Using the pH 3.00 buffer will minimize any measurement error due to calibration. It is of the utmost importance to properly clean the pH electrode prior to use. A proper cleaning of the electrode must be done with appropriate cleaning solutions, in order to remove all the deposits on the sensitive bulb and on the junction. HI 70635 (wine deposit removal) and HI 70636 (wine stain removal) are tailor made cleaning solutions for wine making.

HI 222 is supplied complete with HI 1048P pH electrode, HI 7669/2W stainless steel temperature probe, HI 76404 electrode holder, pH 3 and pH 7 buffer sachets, cleaning solutions for removing wine stains and wine deposits, electrode refilling solution, 5 mL graduated syringe, 12 Vdc power adaptor and instructions.

Price: $599.99
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