High-Intelligence Soil Environment Analysis System: Research-Grade, Comprehensive Soil and Fertilizer Nutrient Analyzer

I. Testing Parameters

 Soil: Ammonium nitrogen, available phosphorus, available potassium, nitrate nitrogen, hydrolyzable nitrogen, total nitrogen, total phosphorus, total potassium, soil organic matter (Tiurin method), soil organic matter (extraction method), calcium, magnesium, sulfur, silicon, boron, iron, copper, manganese, zinc, chloride, molybdenum, lead, arsenic, chromium, cadmium, mercury, nickel, aluminum, fluoride, titanium, selenium, pH, salinity, and moisture content. Fertilizers: Ammonium nitrogen, nitrate nitrogen, urea nitrogen, and biuret in nitrogen fertilizers; total phosphorus and water-soluble phosphorus in phosphate fertilizers; potassium in potash fertilizers; total nitrogen, total phosphorus, and total potassium in compound fertilizers; total nitrogen, total phosphorus, total potassium, nitrate nitrogen, available phosphorus, available potassium, and acid-hydrolyzable nitrogen in organic fertilizers; organic matter content; water-soluble humic acid (from weathered coal, lignite, or peat); free humic acid (from weathered coal, lignite, or peat); total nitrogen, total phosphorus, and total potassium in water-soluble fertilizers; total nitrogen, total phosphorus, and total potassium in foliar fertilizers; nitrogen, phosphorus, and potassium in water (including turbid samples); calcium, magnesium, sulfur, silicon, boron, iron, copper, manganese, zinc, chlorine, lead, arsenic, chromium, cadmium, and mercury in fertilizers.

Crops: Nitrate nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, silicon, boron, iron, copper, manganese, zinc, and chlorine in crops.

Plants: Total nitrogen, total phosphorus, and total potassium in plant tissue.

Soil Environment: Soil moisture, soil temperature, soil pH, and soil salinity.

 ★Meteorological Environment: PM2.5, PM10, CO, SO2, NO2, O3, temperature, humidity, wind speed, wind direction, atmospheric pressure, and optical rainfall.

 II. Testing Speed

 Simultaneous extraction and determination of multiple soil nutrients—such as available N, P, and K—in a single operation. Testing Speed: With standard proficiency, testing for soil ammonium nitrogen, phosphorus, and potassium takes 20 minutes (including soil sample pretreatment and reagent preparation); testing for fertilizer nitrogen, phosphorus, and potassium takes approximately 50 minutes; testing for a single trace element takes approximately 20 minutes; and soil moisture, temperature, pH, and salinity levels are displayed instantly.

 III. Functional Overview

 ★1. Operating System: Android 5.1 OS; quad-core main processor (CPU clock speed ≥ 1.8 GHz); 16GB high-capacity memory. It offers fast, stable operation without lagging or freezing and holds a Computer Software Copyright Registration Certificate issued by the National Copyright Administration of the PRC.

 2. 7.0-inch color LCD screen (resolution: 1024 x 600) with a backlit display for easy operation during field testing. Instrument dimensions: 470 x 340 x 210 mm; panel dimensions: 432 x 292 mm.

 ★3. Built-in bilingual display (Chinese/English) with one-touch switching and seamless integration.

 ★4. Dual-layer security via password and fingerprint login; supports multiple user accounts to ensure data security and proper categorization.

 5. Built-in real-time clock chip; automatically calibrates time when connected to Wi-Fi and displays the current year, month, day, hour, and minute, ensuring test data traceability.

 ★6. GPS Positioning: Real-time display of satellite-based latitude and longitude coordinates to pinpoint the current testing location.

 7. Data Printing: Built-in thermal printer (no ribbon replacement required); prints details such as test items, testing unit, operator, test time, channel number, absorbance, nutrient content (mg/kg), and a QR code.

 8. Supports viewing of all historical test records and uploading of all test data.

 9. Network Connectivity: Method 1: Wi-Fi connection; Method 2: Direct Ethernet cable connection. Once connected, test results can be transmitted directly to a dedicated cloud-based agricultural data center. An exclusive enterprise account is provided, allowing for the viewing of data uploaded by different operators. Platform data can be exported directly to a computer in spreadsheet format. 

★10. The instrument is equipped with dual USB ports and a standard Ethernet port, supporting multiple methods for exporting historical test data; data appears in a tabular format when viewed on a computer.

 ★11. It integrates with an online cloud-based agricultural data center and features a soil-testing and formula-fertilization system, allowing administrators to calculate fertilization standards even when specific test data is unavailable.

 ★12. Mobile access is supported via a WeChat Mini Program and a dedicated mobile app for viewing all historically uploaded data.

 ★13. The multi-parameter environmental sensor is an all-in-one unit measuring 12 parameters simultaneously: PM2.5, PM10, CO, SO2, NO2, O3, temperature, humidity, wind speed, wind direction, atmospheric pressure, and optical rainfall.

 14. It includes a built-in diagnostic library for common cash crops, detailing symptoms of nine specific nutrient deficiencies, enabling intuitive visual diagnosis through leaf comparison.

 15. Sample pre-treatment procedures are fully integrated; operators can follow step-by-step on-screen prompts without consulting a manual, making it ideal for beginners. Calibration functions are embedded within the testing workflow—eliminating the need for manual or startup calibration—to ensure measurement accuracy.

 ★16. Independent instructional videos for sample processing are built-in; users can watch them directly from the main interface for one-on-one guidance.

 17. It features a built-in soil-testing and formula-fertilization system that allows for immediate calculation upon test completion, as well as a standalone calculation module. The instrument stores standard nutrient values and correction coefficients for over a hundred common cash crops, enabling fertilization calculations based on target yields to guide agricultural production. Results can be printed, including details such as crop type, fertilizer type, target yield, total nutrient requirements, and recommended fertilization plans.

 18. Supports both AC and DC power; the built-in high-capacity lithium battery allows for 10 hours of continuous operation on a full charge.

 ★19. An external voltage display shows real-time voltage to ensure a stable testing environment and measurement accuracy. It also includes power-loss protection, automatically saving data during sudden power outages to prevent data loss.

 20. Four specialized experimental light sources (red, blue, green, orange) featuring stable wavelengths, a lifespan of up to 100,000 hours, excellent reproducibility, and high accuracy.

 ★21. Four-channel fixed colorimetric cell (solid-state module); the cell is integrated into the instrument, eliminating mechanical displacement or wear. To ensure detection precision, the channels are aligned with the light sources, with exactly four detection channels provided.

 ★22. External sensors utilize aviation-grade connectors for simple, convenient operation and easy expandability.

 23. Soil moisture sensor: direct insertion for immediate measurement, with a 6.5 cm probe; temperature sensor: 23 cm probe to ensure measurement accuracy.

 24. Soil salinity sensor: graphite electrode offering stable performance and high sensitivity; soil pH sensor: specialized soil electrode, allowing for immediate measurement upon insertion without the need for watering.

 ★25. The colorimetric slot is housed within a recessed, sealed compartment; a circular light-shielding plate (15.7 cm diameter) provides full coverage to prevent light leakage from affecting detection precision, thereby ensuring accurate results.

 26. Designed with a high-strength PVC engineering plastic carrying case; sturdy, durable, and portable, suitable for mobile field testing.

 ★27. Patent No.: ZL 2022 2 0923165.6

 IV. Instrument Specifications

 1. Power supply: AC 220V ± 22V; DC 12V/5V (built-in 4800mAh high-capacity lithium battery).

 2. Power consumption: ≤5W.

 3. Measurement range and resolution: 0.001–9999.

 4. Repeatability error: ≤0.03% (0.0003, potassium dichromate solution).

 5. Instrument stability: No warm-up time required; drift is less than 0.3% (0.003, transmittance measurement) within one hour. No numerical drift within one hour of startup (transmittance measurement); drift does not exceed 0.3% (transmittance) or 0.001 (absorbance) within two hours;

 6. Linearity error: ≤0.1% (0.001, copper sulfate test)

 7. Sensitivity: Red light ≥4.5 × 10⁻⁵; Blue light ≥3.17 × 10⁻³; Green light ≥2.35 × 10⁻³; Orange light ≥2.13 × 10⁻³

 8. Red light: 680±2 nm; Blue light: 420±2 nm; Green light: 510±2 nm; Orange light: 590±4 nm

 9. Soil volumetric water content unit: % (m³/m³); Test sensitivity: ±0.01% (m³/m³); Range: 0–100% (m³/m³); Measurement accuracy: ±2% (m³/m³) within the 0–50% (m³/m³) range; ±3% (m³/m³) within the 50–100% (m³/m³) range; Resolution: 0.1%

 10. Soil temperature range: -40–120°C; Measurement accuracy: ±0.2°C; Resolution: ±0.1°C

 11. Soil salinity range: 0–20 mS; Measurement accuracy: ±1%; Resolution: ±0.01 mS

 12. pH measurement range: 0–14; Resolution: 0.1 Measurement accuracy: ±0.2

 13. Wind speed: Ultrasonic measurement principle; 0–60 m/s (±0.1 m/s); resolution: 0.01 m/s

 14. Wind direction: Ultrasonic measurement principle; 0–360° (±2°); resolution: 1°

 15. Air temperature: Diode junction voltage measurement principle; -40–80°C (±0.3°C); resolution: 0.01°C

 16. Air humidity: Capacitive measurement principle; 0–100% RH (±3% RH); resolution: 0.01% RH

 17. Atmospheric pressure: Piezoresistive measurement principle; 300–1100 hPa (±0.25%); resolution: 0.1 hPa

 18. PM2.5: 0–1000 µg/m³ (±10%)

 19. PM10: 0–1000 µg/m³ (±10%)

 20. Optical rainfall: 0–4 mm/min (≤±4%)

 21. Carbon monoxide (CO): 0–1000 ppm (±2 ppm)

 22. Sulfur dioxide (SO₂): 0–20 ppm (±1 ppm)

 23. Nitrogen dioxide (NO₂): 0–20 ppm (±1 ppm)

 24. Ozone (O₃): 0–20 ppm (±1 ppm)

 25. Ingress protection rating: IP65

 26. Soil NPK error ≤1%, organic matter error ≤2%, trace element error ≤5%; single fertilizer component error ≤0.5%, NPK combined error ≤1%; heavy metal error ≤10%.

 V. After-sales Service

 Three-year warranty on the entire instrument; lifetime free maintenance service (only the cost price of spare parts is charged for repairs); free shipping and free training provided.

 Lifetime free technical support for agriculture-related areas such as soil and fertilizer management!