Meters for EC are exceptionally trustworthy. Meters through the 1950s that make use of a "cat's eye" tube are still in use. Newer meters utilizing digital displays tend to be prone to failure of a number of segments with the digital Display screen, generally relevant to corrosion within the instrument. https://sunnyhealthfitnesssf-t76077766.estate-blog.com/30078936/top-guidelines-of-soil-resistivity-measurement-bangladesh