Brief introduction: Content of the test: soil, fertilizer, total amount and quick effect of nitrogen, phosphorus and potassium in plants;Organic matter and ph, soluble salt and humic acid content. Functional features: 1. Exquisite aluminum alloy appearance design, easy to carry. 2. Built-in new computer chip, digital integrated design, can be connected to any computer. 3. Data can be uploaded to the computer or manipulated directly by the computer to complete the testing and suggested formula. 4. Improve test accuracy to one decimal point behind. 5. Add data storage function, convenient and practical, and reduce test cost. 6. The recommended fertilization scheme of 83 crops can be exported according to the user's demand. 7. The large screen Chinese characters are visible, and the menu guide operation is clear. 8. The instrument has automatic calibration function and accurate test data. 9. Integrated design of printer and tester, stable working performance. 10. Use thermal printer, with low noise and environmental protection. 11. Indoor and vehicle-mounted dual-use function and ac-dc dual-use function. 12. A batch of 9 samples can be tested. 13. No need to preheat, the formula program can be upgraded indefinitely. 14. The test reagent is non-toxic, harmless, green and healthy, with a long validity period of 10 months to one year. 15. Test the salt content, change the measuring range automatically, read the concentration directly without checking the table. Performance indicators: Wavelength range: red light (bandwidth type) 650nm blue light (bandwidth type) 440nm Linear error: copper sulfate plus or minus 2RU; Potassium dichromate plus or minus 6BU; PH: plus or minus 0.1pH Salt content: plus or minus 5% Repeatability error: red light plus or minus 2RU Blu-ray plus or minus 2 bu PH: 0.02pH Salt content: 0.01% Indicator drift: red light plus or minus 1RU/15min Blu-ray + 1 bu / 15 min Ph: 0.06ph /15min Salt content: 0.01%/15min Test range: ph: 1-14 Salinity: 0.01%
Brief introduction: Content of the test: soil, fertilizer, total amount and quick effect of nitrogen, phosphorus and potassium in plants;Organic matter and ph, soluble salt and humic acid content.
