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 |