Soil Detector
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| Brand | AZ (Beijing Aozuo) |
|---|---|
| Origin | Beijing, China (System Components Sourced from Germany) |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Multi-Function Soil Hydraulic Analyzer |
| Model | AZ-pF |
| Measurement Principles | Pressure Plate Method (pF Curve), Tensiometric Method (Unsaturated Hydraulic Conductivity), Constant/Variable Head Permeametry (Saturated Hydraulic Conductivity) |
| Sample Ring Dimensions | Ø53 mm (up to 40 units), Ø60 mm (up to 30 units) |
| Pressure Control Range | 0–1000 hPa (vacuum), with 50-step programmable gradient resolution (1 mm water column increment per step) |
| Water Volume Resolution | 0.1 mL |
| Wet-Dry Cycles | 1–4 programmable cycles |
| Saturated Hydraulic Conductivity (Ksat) Unit | Column height 100 cm, reservoir volume 1 L, pressure sensor accuracy ±15 psi, constant-head and falling-head modes supported |
| Unsaturated Hydraulic Conductivity Unit | Matric potential range 0–850 cm H₂O (pF 0–2.93), measurement accuracy ±0.3 kPa, mass resolution 0.01 g |
| Data Logger | LCD interface, 2000-sample internal storage, sampling interval 1–100 s, default 1 s |
| Measurement Chamber Diameters | Ø16 cm and Ø24 cm |
| Tensiometer Range | –25 to +25 cm H₂O |
| Software | Windows-based visualization platform with automated Ksat calculation, real-time curve plotting (θ–h, K(h), C(h)), raw data export (CSV), GLP-compliant metadata tagging |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Origin | Germany |
| Manufacturer | Yes |
| Country of Origin | Imported |
| Model | AZ-S0210 |
| Instrument Type | Contaminant Transport Analyzer |
| Key Parameters | In-situ multi-depth soil water content, matric potential, temperature, and pore-water solute extraction (NO₂⁻, NO₃⁻+NO₂⁻, PO₄³⁻, SiO₄⁴⁻, NH₄⁺, Ca²⁺, Cl⁻, Fe²⁺/³⁺, total P, total N, SO₄²⁻, alkalinity, hardness, Cr(VI), CN⁻, N₂H₄, volatile phenols) |
| Sampling Frequency | Configurable from 1 s to 24 h per sensor channel |
| Sensor Depth Resolution | Field-scale intact monoliths (1 m Ø × 2 m depth) with sensors at 30, 60, 120, 180 cm |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Origin | Beijing, China |
| Manufacturer | AZ Instrument Co., Ltd. |
| Model | AZ-SF-1 |
| Instrument Type | Multiparameter Open-Channel Flow Monitoring System |
| Ultrasonic Water Level Sensor Range | 0–400 mm |
| Resolution | 0.1 mm |
| Accuracy | ±1% FS |
| Temperature Compensation | Built-in |
| Weir Dimensions | 1000 mm (L) × 600 mm (W) × 400 mm (H), 304 Stainless Steel |
| Data Logger | 6 single-ended / 4 differential analog inputs, 8 pulse channels, SDI-12, RS232, USB, Ethernet |
| sampling interval | 10 ms to 24 h |
| operating temperature | −45 °C to +70 °C |
| Rain Gauge | Resolution 0.2 mm, accuracy ±1.0%, orifice diameter 154 mm |
| Power Supply | 10–30 VDC, solar-battery hybrid compatible |
| Communication | GPRS, USB, RS232, Ethernet |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | AZ-SOC-101 |
| Pricing | Available Upon Request |
| Brand | AZ (Beijing Aozuo Ecological Instruments Co., Ltd.) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | AZG-300 |
| Price | Upon Request |
| Measurement Principle | NDIR for CO₂ |
| CO₂ Range | 0–2000 ppm (optional: 0–5000 / 0–10,000 / 0–80,000 ppm) |
| CH₄ Range | 0–100 ppm (optional: 0–100% vol) |
| CO₂ Resolution | 0.01 ppm |
| CH₄ Resolution | 0.1 ppm |
| Accuracy | ≤ ±1% F.S. |
| Gas Flow Control | 0.1–1 L/min |
| Warm-up Time | 20 min |
| Response Time (T₉₀) | 2 s |
| Output Interface | RS232 |
| Display | Color TFT touchscreen |
| Operating Temp. | 0–45 °C |
| Operating Humidity | 1–98% RH (non-condensing) |
| Power Supply | AC 85–265 V, 40 W |
| Dimensions (Analyzer) | 57 × 41 × 22 cm |
| iChamber Options | Ø0.35 m × 0.5 m (0.08 m²), Ø0.62 m × 0.8 m (0.3 m²), Ø1.2 m × 1.5 m (1.0 m²) |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Model | AZG-300 |
| Measurement Principle | NDIR for CO₂, TDLAS for CH₄, Capacitive Dew Point for H₂O |
| Measurement Range | CO₂: 0–2000 ppm (optional: up to 80,000 ppm), CH₄: 0–100 ppm (optional: 0–100% vol), H₂O: 0–75 mbar |
| Accuracy | ±1.5% of reading (CO₂ & H₂O), ±2% of reading (CH₄) |
| Resolution | 0.01 ppm (CO₂), 0.1 ppm (CH₄) |
| Linearity Error | ≤±2% F.S. |
| Repeatability | ≤±1% F.S. |
| Flow Rate | 0.1–1 L/min |
| Response Time | <2 s |
| Warm-up Time | 20 min |
| Operating Temperature | 0–45 °C |
| Power Supply | 12–24 V DC or AC adapter |
| Data Storage | Internal SD card (≥32 GB), ≥1 million records |
| Display | 7-inch capacitive touchscreen |
| Compliance | Designed for field-deployable GLP-compliant environmental monitoring |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Model | AZG-300 |
| Measurement Principle | NDIR for CO₂ & O₂ |
| Measurement Range | CO₂: 0–2000 ppm, CH₄: 0–100 ppm, O₂: 0–21% vol |
| Resolution | CO₂: 1 ppm, CH₄: 0.1 ppm, O₂: 0.1% vol |
| Accuracy (Linearity) | ≤±2% FS |
| Repeatability | ≤±2% FS |
| Zero Drift | ≤±2% FS / 24 h |
| Span Drift | ≤±2% FS / 24 h |
| Response Time | <120 s (with 2 m sampling line) |
| Operating Temperature | 0–45 °C |
| Operating Humidity | 1–90% RH (non-condensing) |
| Power Supply | Internal 14.4 V DC / 2 A battery (8 h runtime) + AC 85–265 V, 50 ±0.5 Hz, 40 W |
| Data Storage | 9900 records (circular overwrite) |
| Display | 320×240 color TFT touchscreen |
| Communication | RS232 |
| Dimensions (AZG-300) | 480 × 340 × 180 mm |
| Weight | ~12 kg (typical for field-portable GHG analyzer) |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AZS-100 |
| Pricing | Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | AZS-2 |
| Price | Upon Request |
| Brand | AZ (Beijing AoZuo) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | AZW-100 |
| Vacuum Pump Pressure Range | 0 to –85 kPa |
| Ceramic Cup Dimensions | Ø22 mm × 60 mm |
| Sampling Tube Lengths | 20 / 40 / 50 / 100 / 200 cm (standard: 20 cm) |
| Sampling Tube Material | Reinforced PVC, OD 22 mm |
| Tubing Material | PTFE, OD 3.12 mm / ID 1.6 mm |
| Sample Bottle Capacity | 250 mL |
| Sample Bottle Material | Borosilicate Glass |
| Sampling Bottle Housing | Triple-bottle underground enclosure |
| pH Compatibility | 4–9 |
| Operating Duration (Pump) | ≥12 h per charge |
| Sustained Sampling Duration (with insulated enclosure) | Up to 48 h |
| Analyte Compatibility | Nitrate, chloride, sulfate, Ca²⁺, Na⁺, NH₄⁺, phosphate |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Model | ECT 200T |
| Sample Capacity | 54 positions |
| pH Range | 0–14 |
| Accuracy | ±0.02 pH |
| Liquid Dispensing Precision | ±2% |
| Compliance | LY/T 1239–1999, NY/T 1121.2–2006 |
| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ECT-300T |
| Price | Upon Request |
| Sample Capacity | 56 positions |
| pH Measurement Range | 0–14 |
| Accuracy | ±0.01 pH |
| Liquid Dispensing Precision | 0.1% |
| Brand | Bruker |
|---|---|
| Origin | USA |
| Model | S1 TITAN 200 |
| Instrument Type | Heavy Metal Contaminant Analyzer |
| Elemental Range | ≥40 elements (S–U) |
| Application Scope | Soil, sediment, sludge, dust, filter media, solid waste |
| Compliance | Meets ASTM D6739, EPA Method 6200, ISO 18551, and EU RoHS/WEEE screening requirements |
| Detector | High-resolution silicon drift detector (SDD) |
| Excitation Source | Rhodium-target microfocus X-ray tube |
| Operating Environment | Field-deployable (–10 °C to 50 °C), IP54 rated |
| Data Output | Quantitative ppm/wt% results with statistical uncertainty reporting |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | S1 TITAN for Soil Analysis |
| Instrument Type | Multi-element Portable XRF Analyzer |
| Regulatory Compliance | CE, RoHS, IEC 61000-4-2/3/4/6, FDA 21 CFR Part 1040.20 (X-ray safety) |
| Detection Principle | Energy-Dispersive X-ray Fluorescence (EDXRF) |
| Elemental Range | S (16) to U (92), ≥40 elements quantifiable in soil matrices |
| Typical Measurement Time | 5–60 s per analysis |
| Sample Form | Solid, powdered, or pressed pellets |
| Operating Environment | –10 °C to 50 °C, IP54 rated enclosure |
| Detector | High-resolution silicon drift detector (SDD), <145 eV Mn Kα resolution |
| Excitation Source | Rh anode microfocus X-ray tube, 4 W max power, variable kV (up to 50 kV) and µA control |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | S1 TITAN |
| Instrument Type | Multi-element Field-Portable XRF Analyzer |
| Regulatory Compliance | CE, RoHS, IEC 62471 |
| Measurement Principle | Energy-Dispersive X-ray Fluorescence (ED-XRF) |
| Elemental Range | S (16) to U (92), ≥40 elements quantifiable in soil matrices |
| Detection Limits | Sub-ppm to low-ppm range for heavy metals (e.g., Pb, As, Cd, Hg, Cr, Ni, Cu, Zn) under optimized field conditions |
| Sample Forms | Solid soils, sediments, sludge, dust, filters, thin films, and heterogeneous particulates |
| Operating Environment | Field-deployable (–10 °C to 50 °C), IP54 rated |
| Safety | Integrated shutter, real-time dose monitoring, FDA-compliant radiation safety interlocks |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | S1 TITAN |
| Instrument Type | Multi-element Portable XRF Analyzer for Soil and Environmental Matrices |
| Regulatory Compliance | CE, RoHS, FDA 21 CFR Part 11 (software-enabled), ISO 12847, ASTM D6358–22, USP <233> (for regulatory-grade workflows) |
| Detection Range | S (16) to U (92) — 40+ elements quantifiable in soil matrices |
| Measurement Principle | Energy-Dispersive X-ray Fluorescence (ED-XRF) with Rh anode microfocus X-ray tube and large-area silicon drift detector (SDD) |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | S1 TITAN |
| Instrument Type | Handheld Energy-Dispersive X-ray Fluorescence (ED-XRF) Analyzer for Soil Heavy Metals |
| Elemental Range | ≥40 elements including Pb, As, Cd, Hg, Cu, Ni, Zn, Cr, Fe, Mn, Co, V, Ti, Se, Rb, Sr, Zr, Mo, Ag, Sn, Sb, Ba, W, U, Th, Y, Ce, Nb, Hf, Sc, Au, P, S, Cl, K, Ca |
| Detection Capability | Optimized for trace-level heavy metals in soil matrices |
| Compliance | Meets ISO 18562, ASTM D7953, EPA Method 6200 (field-deployable), and supports GLP/GMP data integrity requirements |
| Operating Environment | Field-portable |
| Sample Form | Solid soils, sediments, sludge, dust, filters, thin films, and heterogeneous particulates |
| Software | Bruker S1 PXRF software with embedded calibration libraries (Soil, Mining, Environmental), spectral deconvolution engine, and audit-trail-enabled reporting |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Model | S1 TITAN |
| Instrument Type | Multi-element Handheld XRF Analyzer |
| Application | Field and Laboratory Soil Heavy Metal Screening |
| Element Range | ≥40 elements (S–U, including Pb, As, Cd, Hg, Cr, Ni, Cu, Zn, etc.) |
| Detection Principle | Energy-Dispersive X-ray Fluorescence (ED-XRF) |
| Compliance | Meets ISO 12847, ASTM D6313, EPA Method 6200 |
| Portability | Battery-powered, IP54-rated ruggedized housing |
| Regulatory Support | Audit-trail capable software compliant with GLP/GMP documentation requirements |
| Brand | Burkard |
|---|---|
| Origin | United Kingdom |
| Model | TULLGREN |
| Instrument Type | Soil Microfauna Separation System |
| Power Supply | 110–240 V, 50/60 Hz |
| Weight | 2.5 kg |
| Configuration Options | Single-funnel, 6-funnel, or 12-funnel modular setup |
| Accessories Included | Stainless steel mesh screen, soil cylinder, calibrated rubber tubing, adjustable lamp housing with heat source, collection vial holder, and operational manual |
| Compliance | Designed in accordance with ISO 23611-4 (Soil quality — Sampling of soil invertebrates — Part 4: Extraction of microarthropods using the Tullgren funnel method) |
| Brand | Campbell Scientific |
|---|---|
| Model | CPEC310 |
| Origin | USA |
| System Type | Closed-path eddy covariance flux measurement system |
| Power Consumption | 12 W @ 25°C |
| Operating Temperature | −30 to +50°C |
| Operating Pressure Range | 70–106 kPa (expandable) |
| Measurement Frequency | 60 Hz |
| Output Rates | 5, 10, 12.5, or 20 Hz |
| Data Interfaces | SDM, RS-485, USB, analog (CO₂/H₂O only) |
| Total Mass | 15.36 kg |
| Warranty | 1 year from shipment |
| Gas Analyzer Sample Cell Volume | 5.9 mL |
| Cutoff Frequency | 4.3 Hz |
| CO₂ Accuracy | ±1% of reading |
| H₂O Accuracy | ±2% of reading |
| CO₂ Precision (RMS) | ≤0.15 µmol/mol |
| H₂O Precision (RMS) | ≤0.006 mmol/mol |
| CO₂ Zero Drift | ±0.3 µmol/mol/°C |
| H₂O Zero Drift | ±0.05 mmol/mol/°C |
| CO₂ Gain Drift | ±0.1% reading/°C |
| H₂O Gain Drift | ±0.3% reading/°C |
| Cross-sensitivity | CO₂ → H₂O: ±1.1×10⁻⁴ mol CO₂/mol H₂O |
| H₂O → CO₂ | ±0.1 mol H₂O/mol CO₂ |
| CSAT3A Path Lengths | Vertical 10.0 cm, Horizontal 5.8 cm |
| Wind Speed Range | uₓ/uᵧ ±65 m/s, u_z ±8 m/s |
| Wind Direction Range | 2.5°–357.5° (0–360° customizable) |
| Sonic Temperature Range | −50 to +60°C |
| Sonic Temperature Precision | 0.0025°C RMS |
| Brand | Campbell Scientific |
|---|---|
| Model | IRGASON |
| Origin | USA |
| Type | Integrated Open-Path Eddy Covariance System |
| Operating Temperature | −30 to +50 °C |
| Operating Pressure | 70–106 kPa (expandable) |
| Supply Voltage | 10–16 VDC |
| Average Power Consumption | 5 W @ 25 °C |
| Measurement Frequency | 60 Hz |
| Output Bandwidth Options | 5, 10, 12.5, 20 Hz |
| Data Output Interfaces | SDM, RS-485, USB, Analog (CO₂/H₂O only) |
| Gas Path Length | 15.37 cm |
| CO₂ Accuracy | ±1% of reading |
| H₂O Accuracy | ±2% of reading |
| CO₂ Precision (RMS) | 0.2 mg/m³ (0.15 µmol/mol) |
| H₂O Precision (RMS) | 0.004 g/m³ (0.006 mmol/mol) |
| CO₂ Calibration Range | 0–1,000 µmol/mol (extendable to 3,000 µmol/mol) |
| H₂O Calibration Range | 0–72 mmol/mol (at 38 °C dew point) |
| CO₂ Temperature-Dependent Gain Drift | ±0.1% reading/°C |
| H₂O Temperature-Dependent Gain Drift | ±0.3% reading/°C |
| CO₂–H₂O Cross-Sensitivity | ±1.1×10⁻⁴ mol CO₂/mol H₂O |
| H₂O–CO₂ Cross-Sensitivity | ±0.1 mol H₂O/mol CO₂ |
| Ultrasonic Anemometer Path Lengths | Vertical 10.0 cm, Horizontal 5.8 cm |
| Wind Speed Range (uₓ/uᵧ) | ±65 m/s |
| Wind Speed Range (u_z) | ±8 m/s |
| Wind Direction Range | 2.5°–357.5° (0–360° customizable) |
| Ultrasonic Temperature Range | −50 to +60 °C |
| uₓ/uᵧ Offset Error | <±8.0 cm/s |
| u_z Offset Error | <±4.0 cm/s |
| Wind Direction Offset Error | ±0.7° |
| Gain Error (at ±5° tilt) | <±2% reading |
| uₓ/uᵧ Precision (RMS) | 1 mm/s |
| u_z Precision (RMS) | 0.5 mm/s |
| Wind Direction Precision (1 m/s wind) | 0.06° |
| Ultrasonic Temperature Precision | 0.0025 °C |
| Total Mass | 6 kg |
| Warranty | 3 years from factory shipment or 17,500 operational hours, whichever occurs first |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 208 |
| Instrument Category | Fertilizer/Nutrient Analyzer |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AER-208S |
| Instrument Type | Respirometric Compost Maturity Analyzer |
| Oxygen Demand Resolution | 0.06 mg O₂ |
| Anaerobic Gas Volume Resolution | 0.05 mL |
| Max O₂ Uptake Rate | 650 mg/hr |
| Max CO₂/CH₄ Production Rate | 500 mL/hr |
| Channel Capacity | 8 (expandable to 16 or 24) |
| Power Supply | 110/240 V, 50/60 Hz |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | CHPP |
| Instrument Type | Soil Moisture / Water Potential Analyzer |
| Ksat Range | 0.01–5000 cm/d |
| Ceramic Plate Ksat | 20,000 cm/d |
| Measurement Accuracy | ±2% |
| Pressure Sensor Accuracy | ±1 Pa |
| Temperature Sensor Accuracy | ±0.2 °C |
| Sample Volume | 250 mL |
| Ring Sampler Dimensions | 50 mm height × 80 mm inner diameter |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CHPP-KSAT |
| Instrument Type | Soil Moisture / Matric Potential Analyzer |
| Ksat Range | 0.01–5000 cm/d |
| Ceramic Plate Ksat | 20,000 cm/d |
| Measurement Accuracy | ±2% |
| Pressure Sensor Resolution | 1 Pa |
| Temperature Sensor Accuracy | ±0.2 °C |
| Sample Volume | 250 mL |
| Core Ring Dimensions | 50 mm height × 80 mm internal diameter |
| Automatic Temperature Compensation | Yes |
| Evaporation-Free Measurement Design | Yes |
| Repeatability | High |
| Origin | Taiwan |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | PH30P |
| Price Range | USD 140–420 |
| pH Range | 0.00–13.00 |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 + 1 LSD |
| Temperature Range | 0–100.0 °C |
| Temperature Resolution | 0.1 °C |
| Electrode | Replaceable CS1930P Piercing-Type pH Sensor (316L stainless steel shaft) |
| Display | Backlit 20×30 mm multi-line LCD |
| Battery | 1×1.5 V AAA (>500 h life) |
| Auto-off | 5 min |
| Dimensions | 185×40×48 mm |
| Weight | 95 g |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | COMBI 5000 |
| Instrument Type | Multiparameter Soil Analyzer |
| Housing | IP67-rated waterproof & impact-resistant aluminum alloy enclosure |
| Connectivity | BNC + 8-pin proprietary sensor interface |
| Power Supply | 9 V alkaline battery (≥4,000 measurements per set) |
| Dimensions | 180 × 85 × 50 mm |
| Weight | 280 g |
| Salinity Range | 0–10 g/L |
| Salinity Resolution | 0.01 g/L |
| Probe Options | Stainless steel, 2-electrode configuration, available in 250 / 500 / 750 mm lengths |
| Display Language | English & German (optional: French, Italian, Spanish, Russian) |
| Sensor Auto-ID | Yes |
| Auto-Unit Switching | Yes |
| Temperature Compensation | Integrated Pt1000 RTD |
| Operating Temperature | −10 °C to +50 °C |
| Storage Temperature | −20 °C to +60 °C |
| Origin | Germany |
|---|---|
| Type | Imported Instrument |
| Model | COMBI 5000 |
| Instrument Category | Multiparameter Soil Analyzer |
| Sensor Configuration | pH, Electrical Conductivity (EC), Redox Potential (mV), Soil Moisture (v/v %), Soil Temperature (°C), Ambient Air Temperature (°C), Relative Humidity (% RH), Barometric Pressure (hPa) |
| Compliance | IP67-rated housing, CE-marked, RoHS-compliant |
| Language Support | English, German (optional: French, Italian, Spanish, Russian) |
| Data Logging | Integrated datalogger with USB interface and COMBI 5000 mobile application support |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | COMBI5000 |
| Instrument Type | Multiparameter Soil Analyzer |
| Connector | BNC & 8-pin proprietary interface |
| Weight | 280 g |
| Resolution | 0.01 g/L (salinity), 0.1 % (moisture), 0.1 °C (temperature) |
| Probe Material | Stainless steel with dual-pin sensor architecture |
| Operating Range | Moisture 0–100 % v/v |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Class | Portable |
| Detection Principle | Chemical Colorimetry |
| Number of Detection Channels | 4 |
| Test Parameters | Nitrogen (N), Phosphorus (P), Potassium (K), Organic Matter, pH, EC, Moisture, and 28+ additional macro/micronutrients in soil, fertilizer, water, plant tissue, and crop samples |
| Measurement Range | 0.001–9999 (unitless absorbance-derived concentration scale) |
| Repeatability | ≤0.03% (as CV, measured with potassium dichromate solution) |