Description
Features
- Quickly test the N, P, K, organic matter, salinity, and pH in the soil with
- The function of time display, which can automatically record and save
- Large capacity storage (time, place, fertilizers), data can be checked
- Print testing date, sample number, sample items, sample contents, variety
- Big-screen LCD shows and will guide you on how to operate
- Can set crop variety, crop yield, and fertilizer variety, and automatically count
- The reagent includes low requirements for the storage condition
- lasts longer, and has low test cost
Technical Specifications
| Stability | Absorbency of light drift < 0.003 |
| Repeatability | Absorbency of light t < 0.005 |
| Linearity errors | Red light for copper sulfate, and blue light for potassium bichromate < 3.0% |
| Sensitivity | Red light ≥ 4.5 x 10-5 Blue light ≥ 3.17 x 10-3 |
| Wavelength range | Red light 620 ± 5 nm Blue light 440 ± 5 nm |
| Anti-Knocking performance | Qualified |
| Testing range | 0 to 14 (Error ± 0.1) |
| Alternating current | 220 V to 240 V, 50 Hz, adapter 12 V or 3 A |
| Working environment | 32 °F to 104 °F (0 °C to 40℃) 35% to 85% RH |
| Size | 12.59 in x 11.02 in x 4.33 in (32 cm x 28 cm x 11 cm) |