41K views · 208 reactions | PH METER WORKING PRINCIPAL (POTENTIOMETRIC PH MEASUREMENTS) #PH :- measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, with 7 as the middle (neutral) point. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic. | Chemical Engineering World | Facebook

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Introducing the Extech PH100: ExStik® pH Meter | Extech Instruments

26 reactions · 4 comments | Kenya Bureau of Standards (KEBS) uses a device called the pH Meter to test the acidity/ sourness of fermented and preserved food? Manufacturers in the food industry are encouraged to have one.  AC & DC Lab #WorldMetrologyDayKE23Recap #StandardsForQualityLife State Department for Trade Kenya State Department for Investment Promotion-Kenya | Kenya Bureau of Standards (KEBS) | Facebook