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pH technical parameter | Testing range | 1-14 |
Error | ±0.5 | |
Salinity technical parameter | Testing range | 0.01%-1.00% |
Error | ±0.5 | |
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 for potassium bichromate < 3.0% | |
Sensitivity | Red light≥4.5x10(-5) Blue light≥3.17×10(-3) | |
Wavelength range | Red light 620+4nm; Blue light440+4nm | |
Anti-Knocking performance | qualified | |
Instrument technical parameter | Display mode | LCD display |
Interface | USB | |
Working environment | 0~40°C 35~85%RH | |
Alternating current(AC) | 220V50Hz | |
Adapter | 12V/3A | |
Size | 32*28*11cm |







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