Digunakan untuk menguji /mengukur kadar N, P, K, bahan-bahan organik, pH, salinitas, dan kelembaban pada tanah,pupuk, dan tanaman.
Stability | : Absorbency of light drift <0.003 |
Repeatability | : A (absorbency of light) < 0.005 |
Linearity errors | : red light for Copper sulfate, and blue light for potassium bichromate <3.0% |
Sensitivity | : Red light ≥4.5×10^-3, Blue light ≥3.17×10^-3 |
Wavelength range | : Red light 620±4nm; Blue light 440±4nm |
Testing range | : 1-14 |
Error | : ±0.5 |
Salinity Technical parameters Testing range | : 0.01%-1.00% |
Relative error | : ±0.5 |
Moisture unit | : %(m³/m³) |
Moisture content rate testing range | : 0-100% |
Accuracy | : ±2% |
Measurement range | : 0.01%-1.00% |
Relative error | : ±5% |
Power | : AC: 220V-240V, 50Hz DC: 18v, 5W (built-in) |
Gross Weight | : 10 KG |