Soil Nutrient Meter

Product description Soil Nutrient Analyzer can quickly test the N, P, K organic matter, salinity and PH in the soil, fertilizer and plants, The machine can store and print 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 soil, fertilizer and plants With the function of time display, can automatically record and save the time of tested sample Can store about 1000 groups datum ( time, place, fertilizer) , datum can be checked at any time. Can print testing data, sample No, testing item, sample content, variety and so on Big LCD display, easy to operate Can set crop variety, crop yield, fertilizer variety, and automatically count the fertilizing amount Built-in large capacity rechargeable battery. Technical parameters: 1. Nutrient measurement technical parameters: Stability: A( absorbency of light) drift < 0.003 in three minutes. Repetitiveness: A( absorbency of light) < 0.005 Linearity errors: < 3.0 % Sensitivity: Red light e4.5 × 10-5; Blue light e3.17× 10-3 Wave length range: Red light 620 ± 4nm; Blue light 440± 4nm; Green light 520 ± 4 nm Anti-knocking performance: qualified ( Attention: above technical parameters all exceed national standards) 2. PH technical parameters: Testing range: 1-14 Error: ± 0.1 3. Salinity technical parameters: Testing range: 0.01% -1.00% Relative error: ± 5% 4. Soil moisture technical parameters: Moisture unit: % ( m3/ m3) moisture content rate testing range: 0-100% accuracy: ± 2% 5. Power: Alternating current: 80V- 240V, 50Hz Direct current: 18V, 5W ( With tester)