Over the course of the year, the temperature in Managua typically varies from 71Â°F to 94Â°F and is rarely below 67Â°F or above 97Â°F. The hot season lasts for 50 days, from March 23 to May 12, with an average daily high temperature above 93Â°F. The hottest day of the year is April 25, with an average high of 94Â°F and low of 76Â°F.
A pH meter. A pH Meter is a device used for potentiometrically measuring the pH, which is either the concentration or the activity of hydrogen ions, of an aqueous solution. It usually has a glass electrode plus a calomel reference electrode, or a combination electrode.
PH Meter Versus PH Paper. Measuring the pH of a substance can be accomplished in a number of ways. A pH meter is one of the most common methods, and pH paper (also known as litmus paper or pH strips) is also a quick way of finding the pH of a substance.