IN-HT800 High-intelligence soil environmental testing and analysis evaluation system equipment
1. Test items
Soil elements:I. Testing Items
Soil: Soil ammonium nitrogen, soil available phosphorus, soil available potassium, soil nitrate nitrogen, soil hydrolyzable nitrogen, soil total nitrogen, soil total phosphorus, soil total potassium, soil organic matter (hilling method), soil organic matter (leaching method), soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, soil chlorine, soil molybdenum, soil lead, soil arsenic, soil chromium, soil cadmium, soil mercury, soil nickel, soil aluminum, soil fluorine, soil titanium, soil selenium, pH, salinity, and moisture.
Fertilizers: Ammonium nitrogen in nitrogen fertilizers, nitrate nitrogen in fertilizers, urea nitrogen, biuret, phosphorus in phosphate fertilizers, water-soluble phosphorus in phosphate fertilizers, potassium in potassium fertilizers, total nitrogen in compound fertilizers, total phosphorus in compound fertilizers, total potassium in compound fertilizers, total nitrogen in organic fertilizers, total phosphorus in organic fertilizers, total potassium in organic fertilizers, nitrate nitrogen in organic fertilizers, available phosphorus in organic fertilizers, available potassium in organic fertilizers, acid-hydrolyzed nitrogen in organic fertilizers, 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), total nitrogen in water-soluble fertilizers, total phosphorus in water-soluble fertilizers, total potassium in water-soluble fertilizers, total nitrogen in foliar fertilizers, total phosphorus in foliar fertilizers, total potassium in foliar fertilizers, nitrogen in water, phosphorus in water, potassium in water, nitrogen in water (turbid), phosphorus in water (turbid), potassium in water (turbid), calcium fertilizers. Fertilizers: Magnesium, Sulfur, Silicon, Boron, Iron, Copper, Manganese, Zinc, Chlorine, Lead, Arsenic, Chromium, Cadmium, Mercury
Crops: Nitrate Nitrogen, Ammonium Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Silicon, Boron, Iron, Copper, Manganese, Zinc, Chlorine
Plants: Total Nitrogen, Total Phosphorus, Total Potassium
Soil Environment: Soil Moisture, Soil Temperature, Soil pH, Soil Salinity
★Meteorological Environment: PM2.5, PM10, CO, SO2, NO2, O3, Temperature, Humidity, Wind Speed, Wind Direction, Atmospheric Pressure, Optical Rainfall
II. Detection Speed
Simultaneous extraction and determination of multiple nutrients such as available N, P, and K in the soil.
Detection Speed: Under normal proficiency, testing soil ammonium nitrogen, phosphorus, and potassium takes approximately 20 minutes (including soil sample pretreatment and reagent preparation); testing fertilizer nitrogen, phosphorus, and potassium takes approximately 50 minutes; and single-item microelement testing takes approximately 20 minutes. Soil moisture, temperature, pH, and salinity are displayed in real-time.
III. Function Introduction
★1. Operating System: Android 5.1 operating system, quad-core processor, CPU frequency ≥1.8GHz, 16GB large-capacity memory, fast operation, strong stability, no lag or freezing, and has obtained a computer software copyright registration certificate issued by the National Copyright Administration of the People's Republic of China.
2. 7.0-inch color LCD screen (resolution: 1024*600), backlit for easy field operation. Instrument external dimensions: 470*340*210mm; instrument panel dimensions: 432*292mm.
★3. Built-in Chinese and English bilingual display, one-button switching, seamless integration.
★4. Dual protection with password and fingerprint login; multiple accounts can be set up as needed to ensure the security and classification of test data.
5. Built-in clock chip; automatically calibrates time when connected to Wi-Fi, synchronously displaying the current year, month, day, hour, and minute, ensuring traceability of test data.
★6. GPS positioning function: Real-time display of satellite positioning latitude and longitude, clearly indicating the current testing location.
7. Data printing: Built-in thermal printer (no need to change ribbon), capable of printing information such as test items, testing unit, testing personnel, testing time, channel number, absorbance, nutrient content (mg/kg), and QR codes.
8. The instrument supports viewing all historical test records and uploading all test data.
9. Network connection: Method 1: Wi-Fi data connection; Method 2: Direct network cable connection; After connecting to the network, test results can be directly transmitted to a dedicated cloud agricultural data center, assigned a dedicated enterprise cloud agricultural data center account, which can view data uploaded by different testing personnel. Platform data can be directly exported to a computer in spreadsheet format.
★10. The instrument is equipped with dual USB interfaces and a universal network cable interface; historical test data can be exported in multiple ways. Data is presented in tables when viewed on a computer.
★11. An online cloud agricultural data center is also configured with a soil testing and fertilizer recommendation system, allowing managers to calculate fertilization standards even without test data.
★12. All historical uploaded data can be viewed via a WeChat mini-program and mobile app.
★13. The environmental multi-element sensor is an integrated 12-element sensor, capable of simultaneously measuring PM2.5, PM10, CO, SO2, NO2, O3, temperature, humidity, wind speed, wind direction, atmospheric pressure, and optical rainfall.
★14. Built-in diagnostic atlases for common economic crops are included. Even in the absence of 9 elements, detailed atlas information allows for intuitive leaf surface comparison for diagnosing sufficiency or deficiency.
★15. All sample pretreatment experimental operation steps are built-in, eliminating the need for manual instructions. Users can operate step-by-step according to the instrument's prompts, making it more suitable for beginners. A built-in calibration function is included in the testing steps, eliminating the need for manual calibration or power-on/off calibration, ensuring testing accuracy.
★16. Built-in independent sample processing operation video, accessible via the instrument's main interface, providing one-on-one instruction.
17. Built-in soil testing and fertilizer recommendation system; direct calculation of fertilizer recommendation can be performed after testing. It also has a separate fertilizer recommendation calculation module. The instrument includes standard nutrient values for over a hundred common economic crops and built-in fertilization correction coefficients, allowing calculation of fertilizer application based on target yield to guide agricultural production. Soil testing and fertilizer recommendation results can be printed, including crop type, fertilizer type, target yield, total requirement, and suggested fertilization plan.
18. AC/DC dual power supply; the instrument has a built-in high-capacity lithium battery, allowing for 10 hours of continuous operation on a full charge.
★19. External voltage display panel directly displays the real-time detection voltage, ensuring a stable testing environment and guaranteeing accuracy. It also features power-off protection, automatically saving data in case of sudden power failure to prevent data loss.
20. Four dedicated experimental light sources (red, blue, green, and orange) with 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 colorimetric cell is integrated with the instrument, eliminating mechanical displacement and wear. To ensure detection accuracy, the channels must be consistent with the light source; there are exactly four detection channels.
★22. External sensors use aviation plug interfaces; simple, convenient, and easy to expand.
23. Soil moisture sensor, direct insertion and measurement, 6.5cm probe length; temperature sensor, 23cm probe length, ensuring accurate testing.
24. Soil salinity sensor uses graphite electrodes, offering stable performance and high sensitivity; soil pH uses a soil-specific electrode, requiring no watering, and can be measured immediately upon insertion.
★25. The colorimetric cell is built into a sunken, sealed chamber, with a 15.7cm diameter circular light-shielding plate providing complete light protection to prevent light leakage during experiments and ensure accurate results.
26. High-strength PVC engineering plastic carrying case design, sturdy and durable, easy to carry, suitable for field testing.
★27. Patent No.: ZL 2022 2 0923165.6
IV. Instrument Specifications
1. Power Supply: AC 220±22V, DC 12V+5V (Built-in 4800mAh high-capacity lithium battery)
2. Power: ≤5W
3. Measurement Range and Resolution: 0.001-9999
4. Repeatability Error: ≤0.03% (0.0003, potassium dichromate solution)
5. Instrument Stability: No preheating required; drift less than 0.3% (0.003, transmittance measurement) within one hour. 6. No digital drift in the display within one hour of instrument startup (transmittance measurement); digital drift not exceeding 0.3% (transmittance measurement) or 0.001% (absorbance measurement) within two hours.
7. Linearity error: ≤0.1% (0.001, copper sulfate detection)
8. 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
9. Red light: 680±2nm; Blue light: 420±2nm; Green light: 510±2nm; Orange light: 590±4nm
10. Soil volumetric moisture content unit: % (m³/m³); Test sensitivity: ±0.01 % (m³/m³); Measurement range: 0-100% (m³/m³). Measurement accuracy: ±2% (m³/m³) within the range of 0-50% (m³/m³); ±3% (m³/m³) within the range of 50-100% (m³/m³). Resolution: 0.1%
10. Soil temperature range: -40-120℃. Measurement accuracy: ±0.2℃. Resolution: ±0.1℃
11. Soil salinity range: 0-20ms. Measurement accuracy: ±1%. Resolution: ±0.01ms
12. pH measurement range: 0-14. Resolution: 0.1 Measurement accuracy: ±0.2
13. Wind speed: Measurement principle: Ultrasonic, 0～60m/s (±0.1m/s), resolution 0.01m/s
14. Wind direction: Measurement principle: Ultrasonic, 0～360° (±2°); resolution: 1°
15. Air temperature: Measurement principle: Diode junction voltage method, -40-80℃ (±0.3℃), resolution 0.01℃
16. Air humidity: Measurement principle: Capacitive, 0-100%RH (±3%RH), resolution: 0.01%RH
17. Atmospheric pressure: Measurement principle: Piezoresistive, 300-1100hpa (±0.25%), resolution 0.1hpa
18. PM2.5: 0-1000ug/m3 (±10%) 19. PM10: 0-1000 ug/m3 (±10%)
20. Optical Rainfall: 0-4 mm/min (≤±4%)
21. Carbon Monoxide: 0-1000 ppm (±2 PPM)
22. Sulfur Dioxide: 0-20 PPM (±1 PPM)
23. Nitrogen Dioxide: 0-20 PPM (±1 PPM)
24. Ozone: 0-20 PPM (±1 PPM)
25. Instrument Vibration Resistance Rating: IP65
26. Soil Nitrogen, Phosphorus, and Potassium Error ≤1%, Organic Matter Error ≤2%, Micronutrient Error ≤5%; Fertilizer Single Item Error ≤0.5%, Nitrogen, Phosphorus, and Potassium Three Item Error ≤1%; Heavy Metal Error ≤10%.
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