Стабильность питательных веществ в почве: Поглощение светового дрейфа <0,003. Повторяемость питательных веществ в почве: Поглощение света <0,005. Диапазон измерения pH: 1–14. Погрешность измерения pH: ±0,1. Влажность почвы. Точность: ±2%. Влажность почвы. Диапазон измерения содержания влаги: 0–100%.
| Тип | product_variant |
| Model | Function |
| BSN-6A | 1. Test N,P,K, organic matter, soil pH, soil salinity;
2. with storage function; 3. built-in the amount of nutrients needed for growth of 73 kinds of crops, can provide guidance for fertilizing amount according to needs; 4. with printing function |
| BSN-6PC | Based on BSN-6A, with a software, be able to connect to computer for data storage |
| BSN-7PC | On the basis of BSN-6PC, but add one more parameter: soil moisture. |
Parameter
| Soil Nutrient technical parameter
|
Stability | Absorbency of light drift<0.003 |
| Repeatability | Absorbency of light<0.005 | |
| Linearity errors | red light for Copper sulfate, and blue light forpotassium bichromate < 3.0%
|
|
| Sensitivity | Red light≥4.5×10-5
|
|
| Blue light≥3.17*10-3 | ||
| Wavelength range | Red light 620±5nm | |
| Blue light440±5nm | ||
| Anti-Knocking performance | Qualified | |
| pH technical parameter | Testing range | 1-14 |
| Error | ±0.1 | |
| Soil moisture technical parameter (BSN-7PC) | Moisture unit | % (m³/m³) |
| Accuracy | ±2% | |
| Moisture content rate testing range | 0-100% | |
| Instrument technical parameter | Display mode | LCD display |
| Interface | USB | |
| Working environment | 0~40℃ 35~85%RH | |
| Alternating current (AC) | 110V-240V, 50Hz | |
| Adapter | 12V/9.8AH | |
| Size | 330*282*107mm |
| Тип | product_variant |