Soil Contain Tester ( Untuk Tes N, P, K, pH, Salinity) Specification: - Can test Nitrogen, Phosphorus and Potassium in soil, pH in soil, Salt in soil - Stable: A value 0.003/ 3min - Repeat: A value = 3.17x10-3 - Length of wave: red light 620 ± 8nm blue light 440± 8nm - Power: 180-240V 50 Hz
