PH Meters

a ph meter is an instrument used to measure acidity or alkalinity of a solution - also know as ph. Ph is the unit of measure that describes the degree of acidity or alkalinity. It is measured on a scale of 0 to 14.

the quantitative information provided by the ph value expresses the degree of the activity of an acid or base in terms of hydrogen ion activity. The ph value of a substance is directly related to the ratio of the hydrogen ion [h+] and the hydroxyl ion [oh-] concentrations. If the h+ concentration is greater than oh-, the material is acidic; i.e., the ph value is less than 7. If the oh- concentration is greater than h+, the material is basic, with a ph value greater than 7. If equal amounts of h+ and oh- ions are present, the material is neutral, with a ph of 7. Acids and bases have free hydrogen and hydroxyl ions, respectively. The relationship between hydrogen ions and hydroxyl ions in a given solution is constant for a given set of conditions, either one can be determined by knowing the other.

styrax manufactures micro processor based ph meter is an economical, user-friendly panel meter for ph measurement. Its small size allows for easy installation and will accommodate any ph electrode with bnc connector. Temperature compensation is either manual or automatic with use of any 1000ω platinum rtd.