... description:Soil Nutrient Analyzer can quickly test the N,P,K organic matter, salinity and PH in the ... data, has complete chemicals which are for free at the first time. Characteristic:Can quickly test ... N,P,K organic matter, salinity, and PH in the ... 50HzDirect current: 18V, 5W (With tester) Function:Test N,P,K, PH, organic matter, soil PH, soil salinity, ...