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Digunakan untuk menguji / mengukur kadar N, P, K, bahan- bahan organik, pH, salinitas, dan kelembaban pada tanah, pupuk, dan tanaman. - Soil nutrient Wavelength range: Red light approx. 620±4nm; Blue light approx. 440±4nm. - pH Testing range: 1‐14 - Salinitas (Sailinity): Testing range: 0.01% ‐1.00% - Kelembaban tanah (Soil moisture): Moisture unit: % (m³/m³) Testing range: 0‐100% With printing function and with a software, be able to connect to computer for data storage.