LOHOME(TM) LED Electronic Pocket Size Meter Salt Meter Replacement Salt Functional Salinity Meter Tester Analyzer Checker For Daily Diet Health Analyzer Simple design, easy to carry and operate. Salt tester for personal and commercial use. Uses conductivity test to measure the salt concentration in liquid food. One green LED power indication. 7 red LED for indicating salt concentrations: 0.3%~0.6% (moderate); 0.8%~1.0% (thick); 1.3%~2.0% (very thick).