... description:Soil Nutrient Analyzer can quickly test the N,P,K organic matter, salinity and PH in the ... the first time. Characteristic:Can quickly test N,P,K organic matter, salinity, and PH in the ... checked at any time.Can print testing data, sample No, testing item, sample content, variety and so ... 50HzDirect current: 18V, 5W (With tester) Function:Test N,P,K, PH, organic matter, soil PH, soil salinity, ...