Meters for EC are really reputable. Meters from the fifties that utilize a "cat's eye" tube are still in use. More recent meters employing digital displays tend to be susceptible to failure of a number of segments on the digital display, ordinarily connected to corrosion throughout the instrument. Ground Improvement https://edwiniuepy.digiblogbox.com/55891769/soil-resistivity-testing-laboratories-bd-can-be-fun-for-anyone