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Product Details
Product Overview
The HM-T3 Soil Fertilizer and Plant Nutrient Analyzer is a comprehensive agricultural laboratory instrument designed for soil fertility evaluation, fertilizer quality control, and plant tissue nutritional diagnostics. While standard soil testers analyze only soil samples, comprehensive agronomic management requires verifying fertilizer quality, monitoring crop uptake, and evaluating irrigation water. The HM-T3 integrates all these functions into a single 12-channel desktop workstation.
Featuring an optical repeatability error of ≤0.02% (benchmarked against grating spectrophotometer standards) and stability exceeding national standard JJG179-90 by sixfold, the HM-T3 runs on Android OS with an ARM Cortex-A7 processor. The instrument tests soil nutrients, chemical fertilizers (elemental, compound, water-soluble), organic fertilizers (including humic acid), fresh crop tissues, dry plant tissues, tobacco leaves, and irrigation water.
Key Features
- Comprehensive analytical capability covering soil nutrients, commercial fertilizers, organic composts, humic acid, crop tissues, and water quality.
- Optical repeatability of ≤0.02% (potassium dichromate test), providing laboratory-grade analytical consistency.
- 12 independent optical colorimetric channels enable parallel batch processing of soil, fertilizer, and plant samples.
- Patented optical filter technology (Patent ZL 2020 2 1763837.9) with 4-wavelength cold light source (680nm, 420nm, 510nm, 590nm).
- Certified with China National Institute of Metrology Calibration Certificate, ensuring testing credibility.
- Fast testing efficiency: single fertilizer sample NPK analysis completed in ≤50 minutes; three samples in ≤1.5 hours.
- 7-inch true-color Android touchscreen interface with step-by-step sample preparation tutorial videos.
- Built-in expert crop fertilization database and plant deficiency atlas provide scientific application guidelines.
- Integrated thermal printer produces detailed laboratory receipts with operator info, channel numbers, and QR codes.
- Multi-mode telemetry (WiFi, 4G, GPRS, USB, Ethernet) uploads test records to the cloud agricultural platform.
- Dual power system with AC 220V mains and internal rechargeable lithium battery (>10h autonomy), plus 12V vehicle charging.
Applications
The HM-T3 serves broad agricultural testing workflows across multiple sample types:
- Soil Testing: Available NPK, total NPK, organic matter (Qiu Lin & extraction methods), TOC, C/N, 11 trace elements, pH, salinity, and moisture.
- Fertilizer Testing:
- Elemental Fertilizers: Ammonium nitrogen, nitrate nitrogen, urea nitrogen, biuret, phosphorus, water-soluble phosphorus, potassium.
- Compound & Water-Soluble Fertilizers: Total NPK, water-soluble NPK, foliar fertilizer NPK, and fertilizer trace elements.
- Organic Fertilizers: Total NPK, available NPK, organic matter, acid-hydrolyzed nitrogen, and humic acid (water-soluble and free forms).
- Plant & Crop Tissues: Fresh crop nitrates, nitrites, and NPK; dry plant total NPK; tobacco leaf 20-item nutrition; and agricultural water quality.
- Target Facilities: Fertilizer factories, agricultural testing labs, farm corporations, and agricultural quality inspection stations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Operating System | Android OS, ARM Cortex-A7 RK3288 4-Core (1.88 GHz) |
| Optical Channels | 12 independent colorimetric channels with 1cm cuvettes |
| Cold Light Source | 4 wavelengths (Red 680nm, Blue 420nm, Green 510nm, Orange 590nm); 100,000h lifespan |
| Patent & Calibration | High-precision filter patent ZL 2020 2 1763837.9; Metrology Calibration Certificate |
| Repeatability Error | ≤0.02% (0.0002, potassium dichromate solution) |
| Stability | Zero drift in 1h; drift ≤0.3% (T) or 0.001 (A) within 2h |
| Linearity Error | ≤0.1% (copper sulfate test) |
| Sensitivity | Red ≥4.5×10⁻⁵, Blue ≥3.17×10⁻³, Green ≥2.35×10⁻³, Orange ≥2.13×10⁻³ |
| Measurement Range | 0.001–9999 |
| pH Measurement | Range 1–14, Accuracy 0.01, Error ±0.1 |
| Salinity (Conductivity) | Range 0.01%–1.00%, Relative error ±5% |
| Soil Moisture | Range 0–100%, Error <0.5% |
| Testing Speed | Single sample NPK ≤20 min; 3 samples ≤40 min; 8 samples ≤60 min |
| Display Screen | 7-inch high-sensitivity true-color touchscreen (1024×600) |
| Data Interface | WiFi, 4G, GPRS, USB, RJ-45 Ethernet, Cloud upload |
| Built-in Printer | Integrated thermal printer (supports text & QR codes) |
| Smart Software | Crop fertilization formula system, plant deficiency atlas, tutorial videos |
| Power Supply | AC 220±22V, DC 12V+5V; rechargeable lithium battery (>10h) & vehicle power |
| Power Consumption | ≤5 W |
| Housing & Weight | IP65 protection; Host: 420×310×150 mm, 3.6 kg; Package: 510×390×375 mm, 9.7 kg |
Configuration and Accessories
| No. | Item Description | Quantity |
|---|---|---|
| 1 | Main Instrument Host (12-Channel) | 1 unit |
| 2 | pH Test Electrode Pen (Range 1-14) | 1 pc |
| 3 | TDS Salinity Conductivity Pen | 1 pc |
| 4 | Electronic Precision Balance (100g/0.01g) | 1 unit |
| 5 | Aluminum Soil Sampling Box | 1 pc |
| 6 | Rubber Suction Bulb | 1 pc |
| 7 | Glass Stirring Rod | 1 pc |
| 8 | Glass Pipette 1ml | 1 pc |
| 9 | Dedicated Reagent Carrying Case | 1 unit |
| 10 | NPK & Organic Matter Reagent Kit | 1 set |
| 11 | Qualitative Filter Paper | 1 box |
| 12 | Optical Glass Cuvettes | 10 boxes |
| 13 | Glass Test Tubes | 12 pcs |
| 14 | Plastic Test Tubes | 20 pcs |
| 15 | Erlenmeyer Flask 100ml | 2 pcs |
| 16 | Chemical Reagent Bottle | 1 pc |
| 17 | Power Cable & 12V Vehicle Charger | 1 set |
Model Selection
Compare the HM-T3 with other instruments in the T-series lineup:
| Model | Channels | Error | Testing Capabilities | Target Scope |
|---|---|---|---|---|
| HM-T1 | 12 | ≤0.03% | Soil NPK, Organic Matter, pH, Salt, Moisture | Routine soil testing, supply stores, field cooperatives |
| HM-T2 | 12 | ≤0.03% | T1 items + 11 Soil Trace Elements (Ca, Mg, S, B, Fe, Zn, etc.) | Balanced nutrition, commercial orchards, greenhouse farming |
| HM-T3 | 12 | ≤0.02% | T2 items + Fertilizers (NPK, humic acid) + Plant Tissues + Water | Fertilizer factories, quality control, agrochemical stations |
| HM-T4 | 12 | ≤0.02% | T3 items + Heavy Metals (soil/fertilizer) + Food Safety items | Research institutes, universities, food safety inspection |
Product Enquiries
Contact our sales representative for product enquiries, configuration information and coordination of service requests.
Sales Contact: Arthur
Email: Arthur@hmdzkj.cn
Tel / WhatsApp / WeChat: +86 18353666151
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