Description Overview This Agricultural Soil Quality Tester has salinity range of 0.01% to 1.00%, power of 80 V AC to 240 V AC,50 Hz and salinity error of ± 5%. Features Test the N, P, K, organic matter, salinity, and PH Automatically record and save the time of tested sample Store about 1000 groups datum Print testing date, sample number, sample item Big-screen LCD display It is very convenient and reasonable Amor plate shell, firm, beautiful and durable Calculate the fertilizing amount automatically Built-in large capacity rechargeable battery. Technical Specifications Stability A (absorbency of light) drift < 0.003 in 3 mins Repetitiveness A (absorbency of light) < 0.005 Linearity Errors < 3.0% Sensitivity Red light ≥ 4.5 × 10-5 Blue light ≥ 3.17 × 10-3 Wavelength Range Red light 620 ± 4 nm Blue light 440 ± 4 nm Green light 520 ± 4 nm PH Specification Range 1 to 14 pH Error ± 0.1 Salinity Specification Range 0.01% to 1.00% Error ± 5% Power AC 80 V to 240 V, 50 Hz DC 18 V, 5 W (With tester) Soil Moisture Moisture content rate testing range 0% to 100% Accuracy ± 2%
