Description
Overview
GAOTek high-precision soil quality tester soil elements, soil ammonium nitrogen, soil available phosphorus, soil available potassium, soil nitrate nitrogen, soil hydrolyzed nitrogen, soil total nitrogen, soil total phosphorus, soil total potassium, soil organic matter (hilling method), soil organic matter (extraction method) method), soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, soil chlorine, soil lead, soil arsenic, soil chromium, soil chromium, soil mercury, soil molybdenum, soil nickel, soil aluminum, soil fluorine, soil titanium, soil selenium. Fertilizer elements: ammonium nitrogen in nitrogen fertilizer, nitrate nitrogen in fertilizer, urea nitrogen, biuret, phosphorus in phosphate fertilizer, water-soluble phosphorus in phosphate fertilizer, potassium in potash fertilizer, total nitrogen in compound fertilizer, total phosphorus in compound fertilizer, total potassium in compound fertilizer, Organic fertilizer total nitrogen, organic fertilizer total phosphorus, organic fertilizer total potassium, organic fertilizer nitrate nitrogen, organic fertilizer available phosphorus, organic fertilizer available potassium, organic fertilizer acid hydrolysis nitrogen, organic matter, water-soluble humic acid (weathered coal), water-soluble Humic acid (lignite), water-soluble humic acid (peat), free humic acid (weathered coal), free humic acid (lignite), free humic acid (peat), water-soluble fertilizer total nitrogen, water-soluble fertilizer total phosphorus, water-soluble fertilizer total potassium , foliar fertilizer total nitrogen, foliar fertilizer total phosphorus, foliar fertilizer total potassium, water nitrogen, water phosphorus, water potassium, water nitrogen (turbid), water phosphorus (turbid), water potassium (turbid), fertilizer calcium, fertilizer Magnesium, Fertilizer Sulfur, Fertilizer Silicon, Fertilizer Boron, Fertilizer Iron, Fertilizer Copper, Fertilizer Manganese, Fertilizer Zinc, Fertilizer Chlorine, Fertilizer Lead, Fertilizer Arsenic, Fertilizer Chromium, Fertilizer Cadmium, Fertilizer Mercury Crop elements: crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, crop potassium, crop calcium, crop magnesium, crop sulfur, crop silicon, crop boron, crop iron, crop copper, crop manganese, crop zinc, crop chlorine Plant elements: plant total nitrogen, plant total phosphorus, plant total potassium Soil environment: soil moisture, soil temperature, soil pH, soil salinity .
Technical Specifications
| Power supply | AC 220 ±22 V DC 12 V +5 V (the instrument has a built-in 4800 mAh large-capacity lithium battery) |
| Power | <5 W |
| Range and resolution | 0.001 to 9999 |
| Repeatability error | ≤ 0.03% (0.0003, potassium dichromate solution) |
| Instrument stability | The instrument does not need to be preheated before booting, and the drift is less than 0.3% (0.003, transmittance measurement) within one hour. The instrument is displayed digitally without drift (transmittance measurement) within one hour of starting on, and the digital drift does not exceed 0.3% (transmittance measurement) and 0.001 (absorbance measurement) within two hours. |
| Linearity error | ≤ 0.1% (0.001, copper sulfate detection) |
| Sensitivity | Red light ≥4.5 × 10^5 Blue light ≥3.17 × 10^3 Greenlight ≥2.35 × 10^3 Orange light ≥2.13 × 10^3 |
| Red light | 680 nm ± 2 nm, Blu-ray 420 nm ± 2 nm, green light 510 ± 2 nm, orange light 590 nm ±4 nm |
| Display screen resolution | 1024 x 600 |
| Instrument seismic rating | IP 65 |
| PH value (pH) | Test range 1 to 14 Accuracy 0.01 Error ± 0.1 |
| Salt content (conductance) | Test range: 0 ppm to 9999 ppm Error ±2% |
| Soil moisture technical parameters moisture unit | % (g/100 g) moisture content test range 0% to 100% error is less than 0.5% |