... 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 ... 14Error: ±0.13. Salinity technical parameters:Testing range: 0.01% -1.00%Relative error: ±5%4. Soil moisture ... current: 18V, 5W (With tester) Function:Test N,P,K, PH, organic matter, soil PH, soil salinity, ...