Etekcity Electrical Conductivity EC Meter Water Quality Tester 1-999&micro;S/cm & 1&micro;S/cm, &plusmn;2% Readout Accuracy with Titanium Alloy Probe Measurement range of 1-999S/cm  highly accurate and quick readings on an easy-to-read LCD display Titanium alloy probe reduces magnetic interference in the water for high accuracy Great for home or laboratory water electrical conductivity testing applications, including aquariums, swimming pools, film photography, and more Lightweight, handheld design for portability and convenience; Long battery life for years of reliable measurement