Soil Detector
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| Brand | Spectrum Technologies |
|---|---|
| Origin | USA |
| Model | TDR350 |
| Instrument Type | Multi-parameter Soil Analyzer |
| Measurement Principle | Time-Domain Reflectometry (TDR) |
| Moisture Range | 0–saturation (volumetric water content, VWC) |
| Moisture Resolution | 0.1% VWC |
| Moisture Accuracy | ±3.0% VWC (at EC < 2 mS/cm) |
| EC Range | 0–5 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy | ±0.1 mS/cm |
| Temperature Range | −30°C to +60°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±1.0°C |
| Probe Length Options | 3.8 cm, 7.5 cm, 12 cm, 20 cm |
| Probe Diameter | 5 mm |
| Inter-electrode Spacing | 33 mm |
| Data Storage Capacity | >50,000 GPS-tagged measurements |
| Connectivity | Integrated Bluetooth 4.2 + GPS module |
| Power Supply | 4 × AA alkaline batteries |
| Display | Backlit graphical LCD |
| Optional Accessory | IR surface temperature sensor (non-contact, spectral range 8–14 µm) |
| Brand | Spectrum Technologies |
|---|---|
| Origin | USA |
| Model | WatchDog 1400 |
| Sensor Channels | 4 |
| Data Storage Capacity | 10,080 readings |
| Sampling Interval | 1–60 minutes (user-configurable) |
| Display | Built-in LCD screen |
| Power Supply | CR2032 battery (12-month typical life) |
| Soil Moisture Range | 0–100% VWC (volumetric water content) |
| Moisture Resolution | 0.1% VWC |
| Moisture Accuracy | ±3% VWC (at EC < 8 mS/cm) |
| Sensor Dimensions | 6 cm × 2 cm × 0.3 cm |
| Sensor Operating Frequency | 80 MHz |
| Output Signal | Analog voltage (0.5–1.5 V at 3 V excitation |
| Standard Cable Length | 1.8 m (optional 6 m |
| Input Voltage | 3–5 V DC @ 6–10 mA |
| Brand | Spectrum Technologies |
|---|---|
| Origin | USA |
| Model | WatchDog 1400 |
| Instrument Type | Multi-parameter Soil Monitoring System |
| Sensor Capacity | 4 channels |
| Data Storage | 10,080 records |
| Sampling Interval | 1–60 minutes (user-configurable) |
| Display | Built-in LCD screen |
| Power | CR2032 battery (12-month typical life) |
| Soil Moisture Sensor Range | 0% to saturation (Volumetric Water Content, VWC) |
| Resolution | 0.1% VWC |
| Accuracy | ±3% VWC (at EC < 8 mS/cm) |
| Sensor Dimensions | 6 cm × 2 cm × 0.3 cm |
| Oscillation Frequency | 80 MHz |
| Output Signal | Analog voltage (0.5–1.5 V at 3 V excitation |
| Cable Length | Standard 1.8 m (optional 6 m |
| Operating Voltage | 3–5 V DC @ 6–10 mA |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | WatchDog 2800 |
| Instrument Type | Soil Moisture / Water Potential Analyzer |
| Data Logger Channels | 9 (8 configurable for soil moisture sensors) |
| Memory Capacity | 8,800 data points |
| Typical Battery Life | 12 months (4 × AA alkaline) |
| Operating Temperature | −30 °C to +60 °C |
| Sampling Intervals | 1, 5, 10, 15, 30, or 60 minutes |
| Display | Built-in LCD (real-time min/max/current values) |
| Communication | RS-232 (USB-RS232 adapter optional) |
| Remote Options | Radio, GSM/GPRS, satellite, dial-up modem, or extended direct cable |
| Sensor Power | 3–5 V DC, 6–10 mA |
| SM100 Sensor Output | 0.5–1.5 V analog (3 V excitation) |
| SM100 Resolution | 0.1 % VWC |
| SM100 Accuracy | ±3 % VWC (@ EC < 8 mS/cm) |
| SM100 Sensing Area | 6 cm × 2 cm |
| SM100 Cable Lengths | 1.8 m (6460) or 6.1 m (6460-20), extendable to 15 m |
| Brand | Spectrum Technologies |
|---|---|
| Origin | USA |
| Model | 6450WD |
| Instrument Type | Soil Water Potential Sensor |
| Measurement Range | 0–239 cb (kPa) |
| Housing Material | ABS Plastic, Stainless Steel, Hygroscopic Fiber |
| Sensor Dimensions | Ø22 mm × 83 mm |
| Weight | 0.067 kg |
| Cable | 2-conductor, AWG 20, 1.5 m |
| Display | Integrated LCD |
| Compliance | ASTM D4318, ISO 11277, USDA NRCS Soil Water Monitoring Protocols |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | WatchDog 1200 |
| Instrument Type | Soil Moisture / Water Potential Analyzer |
| Sensor Capacity | 2 channels |
| Data Storage | 10,080 readings |
| Sampling Interval | 1–60 min (user-configurable) |
| Display | Built-in LCD for real-time data viewing |
| Battery Life | Up to 12 months (typical operation) |
| Soil Moisture Sensor Range | 0–100% Volumetric Water Content (VWC), fully saturated |
| Output Signal | Analog voltage 0.5–1.5 V (excitation voltage: 3 V |
| Oscillation Frequency | 80 MHz |
| Resolution | 0.1% VWC |
| Accuracy | ±3% VWC (for soil electrical conductivity < 8 mS/cm) |
| Sensing Volume Dimensions | 6 cm (L) × 2 cm (W) × 0.3 cm (T) |
| Standard Cable Length | 1.8 m (optional: 6 m |
| max extension | 15 m) |
| Brand | Active Spectrum |
|---|---|
| Origin | USA |
| Model | WATCHDOG 2400 |
| IP Rating | IP66 |
| Power Supply | 4×AA batteries (alkaline: up to 10 months |
| lithium | up to 12 months) |
| Data Storage | Non-volatile memory with auto-failover protection |
| Display | Integrated LCD for real-time and daily min/max values |
| Sensor Capacity | Up to 4 internal soil moisture/temperature probes + up to 9 external sensors |
| Communication | RS-232 serial port |
| Compliance | CE, FCC Class B, RoHS |
| Brand | Spectrum |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | WatchDog 2400 |
| Instrument Type | Soil Moisture / Water Potential Analyzer |
| Data Logger Channels | 4 |
| Memory Capacity | 8,800 data points |
| Sampling Intervals | 1, 10, 15, 30, 60, 120 minutes |
| Display | Integrated LCD |
| Power Supply | 4 × AA batteries (12-month typical life) |
| Sensor Cable Options | 1.8 m or 6 m (extendable to 15 m) |
| Output Signal | Analog voltage, time-division multiplexed |
| Soil Moisture Range | 0–100% VWC (volumetric water content), Resolution: 0.1% VWC, Accuracy: ±3% VWC |
| Electrical Conductivity Range | 0–10 mS/cm, Resolution: 0.01 mS/cm, Accuracy: ±2% |
| Temperature Range | −18°C to +50°C, Resolution: 0.1°C, Accuracy: ±0.8°C |
| Brand | Active Spectrum |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | WATCHDOG 2475 |
| Pricing | Available Upon Request |
| Origin | UK |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | SRS-SD1000 |
| Price | Upon Request |
| Origin | UK |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | SRS-SD2000 |
| Pricing | Upon Request |
| Brand | STEPS / STEP Systems GmbH |
|---|---|
| Origin | Germany |
| Model | PH5000 |
| Instrument Type | Multifunctional Soil Analyzer |
| pH Range | 0–14 |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Calibration | Automatic 2-point (pH 4.0 & 7.0) |
| Probe Type | Gel-filled Insertion Electrode with Triple Ceramic Junctions |
| Electrolyte Reservoir | Integrated 3 mol/L KCl Storage Chamber |
| Power Supply | 9 V battery (≥4000 measurements) |
| Housing | IP67-rated ruggedized waterproof enclosure |
| Dimensions | 180 × 85 × 50 mm |
| Weight | 280 g |
| Connector | BNC |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EC5000 |
| Instrument Type | Multi-Parameter Soil Analyzer |
| EC Range | 0–20 mS/cm and 0–200 mS/cm |
| Resolution | 0.1 mS/cm |
| Accuracy | ±2% of reading |
| Temperature Range | 0–60 °C |
| Probe | Dual-ring platinum-coated glass sensor with integrated Pt1000 temperature sensor |
| Housing | IP67-rated rugged waterproof enclosure |
| Dimensions | 180 × 85 × 50 mm |
| Weight | 280 g |
| Power | 9 V alkaline battery (≥4000 measurements per set) |
| Connector | 5-pin LEMO-type interface |
| Calibration Standards Included | 1.4 mS/cm and 111.8 mS/cm KCl reference solutions (50 mL each) |
| Accessories | Soil suspension beaker, aluminum transport case |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | PNT3000 |
| Instrument Type | Fertilizer/Nutrient Analyzer |
| Housing | IP67-rated rugged waterproof enclosure |
| Dimensions | 180 × 85 × 50 mm |
| Weight | 280 g |
| Power Supply | 9-V alkaline battery (≥4,000 measurements per charge) |
| Connector | 5-pin proprietary probe interface |
| Activity Measurement Range | 0–10 g/L (as NaCl-equivalent activity) |
| Resolution | 0.01 g/L |
| Calibration | Factory-calibrated per ISO/IEC 17025-accredited procedure |
| Probe Material | Austenitic stainless steel (1.4404 / SS316L) |
| Probe Lengths | 250 mm, 500 mm, and 750 mm (interchangeable, dual-electrode configuration) |
| Brand | Stevens |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | HydraProbe |
| Instrument Type | Multiparameter Soil Analyzer |
| Measurement Range & Resolution | 0–100% Volumetric Water Content (VWC) |
| Electrical Conductivity | 1–80 dS/m (equivalent to 0.01–1.5 S/m) |
| Temperature | −40 °C to +75 °C |
| Power Supply | 9–16 VDC |
| Dimensions | 124 × 40 mm (L × Ø) |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SW-PF |
| Pricing | Available Upon Request |
| Measurement Range | pF 2.0–4.2 |
| Maximum Speed | 14,000 rpm |
| Maximum Centrifugal Force | 25,220 × g |
| Maximum Capacity | 3,000 mL |
| Sample Throughput | 4 samples per run |
| Control System | Microprocessor-based controller with transformer and three-position operational selector switch |
| Power Supply | 220 V, 50 Hz, 50 A |
| Dimensions (W×D×H) | 700 × 860 × 980 mm |
| Origin | Poland |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TDR Malicki |
| Instrument Type | Soil Moisture / Water Potential Analyzer |
| Moisture Range | 0–100% vol |
| Moisture Accuracy | ±2% of reading |
| Moisture Resolution | 0.1% vol |
| Temperature Range | −20 to +50 °C |
| Temperature Accuracy | < ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| EC Range | 0.000–1 S/m |
| EC Accuracy | < ±10% |
| EC Resolution | 0.001 S/m |
| Measurement Time | < 20 s |
| Pulse Rise Time | 200 ps |
| Data Storage | 1,000 records |
| Display | 160 × 128 LCD |
| Interface | USB |
| Operating Temp. | 0–50 °C |
| Storage Temp. | −20–50 °C |
| Dimensions (H×W×D) | 180 × 85 × 58 mm |
| Weight (with battery) | 0.35 kg |
| Battery | Rechargeable Li-ion with overcharge protection |
| Probe Type | 2-pin |
| Probe Length | 100 mm (field-shortenable to 50 mm, with accuracy degradation) |
| Cable Length | 6 m |
| Sensing Radius | ~5 cm |
| Optional GPS Module | 5 m positional accuracy |
| Origin | Poland |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | TDR |
| Instrument Category | Soil Moisture / Water Potential Analyzer |
| Price Range | USD 1,400–2,800 (FOB) |
| Measurement Principle | Time-Domain Reflectometry (TDR) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TDR-100 |
| Instrument Type | Soil Water Content Analyzer |
| Resolution | 1% vol |
| Accuracy | ±3.0% vol (EC < 2 dS/m, clay content < 30%) |
| Measurement Range | 0–~50% vol (saturation limit varies by soil texture) |
| Probe Options | 7.5 cm, 12 cm, 20 cm rod length |
| Power Supply | 4 × AAA alkaline batteries (~12 months typical life) |
| Display | 2-line × 16-character LCD |
| Weight | 0.68 kg |
| Dimensions (meter) | 10.5 cm × 7.0 cm × 1.8 cm |
| Probe Diameter | 1.0 cm |
| Probe Spacing | 3.3 cm |
| Origin | Poland |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TDR-MUX |
| Instrument Type | Multi-Parameter Soil Analyzer |
| Price Range | USD 13,500–40,500 (FOB) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | TDR300 |
| Price Range | USD 1,400–2,800 (FOB) |
| Instrument Type | Volumetric Water Content (VWC) and Relative Water Content (RWC) Analyzer |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Tensio100 |
| Pricing | Available Upon Request |
| Brand | Tianhe Instruments |
|---|---|
| Model | TH-GS3 |
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Power Supply | DC 12 V |
| Operating Current | 22 mA |
| Power Consumption | 0.26 W |
| Communication | RS-485 Modbus RTU |
| Measurement Layers | 3 standard (customizable up to 10) |
| Temperature Range | −30–70 °C |
| Temp. Accuracy | ±0.3 °C (−10–70 °C) |
| Temp. Resolution | 0.01 °C |
| Volumetric Water Content Range | 0–100 % |
| VWC Accuracy | ±3 % (mineral soils, <12 % organic carbon, <45 % clay) |
| VWC Resolution | 0.1 % |
| Electrical Conductivity Range | 0–20,000 µS/cm |
| EC Accuracy | ±3 % (0–10,000 µS/cm), ±5 % (full scale) |
| EC Resolution | 1 µS/cm |
| IP Rating | IP67 |
| Startup Time | 60 s |
| Housing Material | Imported polycarbonate (PC) |
| Electrode Design | Helical capacitive sensing geometry |
| Calibration | Onboard auto-calibration algorithm |
| Wireless Option | Optional LoRaWAN/NB-IoT gateway integration |
| Brand | Tianhe (Shandong Tianhe Environmental Technology Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TH-TS400 |
| Price | USD 695 (FOB Qingdao) |
| Power Supply | Solar-powered with MPPT charge controller |
| Communication | GPRS, Bluetooth 4.2, RS485 (optional wired interface) |
| Display | 7-inch low-temperature Android panel (v4.4.2, Quad-core Cortex-A7, 512MB RAM / 4GB storage) |
| Enclosure | IP66-rated ABS weatherproof housing |
| Deployment Time | ≤30 minutes by single operator |
| Data Storage Capacity | ≥500,000 records |
| Origin | UK |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | TK3-BASIC |
| Price | Upon Request |
| Brand | Tianyan |
|---|---|
| Model | TY-T80X |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Display | 3.5" TFT color LCD (800×480 resolution) |
| Power Supply | DC 8.4 V rechargeable lithium battery (10 h continuous operation) |
| Dimensions | 260 × 260 × 130 mm |
| Weight | 3.25 kg (main unit) |
| CO₂ Measurement | Dual-wavelength NDIR sensor, 0–5000 ppm range, 0.1 ppm resolution, ±3 ppm accuracy, temperature-compensated |
| Temperature Sensor | German Heraeus digital probe, –20 to +80 °C, 0.1 °C resolution, ±0.2 °C error |
| Relative Humidity Sensor | Swiss进口 digital sensor, 0–85 %RH, 0.1 %RH resolution, ≤1 %RH error |
| PAR Sensor | Calibrated silicon photodiode with optical filter (400–700 nm), 0–3000 µmol·m⁻²·s⁻¹, <1 µmol·m⁻²·s⁻¹ accuracy |
| Flow Control | Glass rotameter (0–1.5 L/min, ±1 % full scale |
| Chamber | Standard cylindrical chamber (Ø110 mm × 200 mm height) |
| Operating Environment | –20 to +60 °C, 0–85 %RH (non-condensing) |
| Data Storage | Internal 16 GB flash memory (expandable to 32 GB) |
| Data Interface | USB 2.0 for direct PC export |
| Optional Add-ons | Soil moisture & temperature probes |
| Brand | Tianyan |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TY-TN1_ |
| Instrument Type | Portable |
| Detection Channels | 8 |
| Measured Parameters | Soil Total Organic Carbon (TOC) and Carbon-to-Nitrogen Ratio (C/N) |
| Measurement Range | 0.001–9999 (unitless absorbance-derived index |
| Repeatability | ≤0.02% (based on potassium dichromate solution, CV) |
| Brand | Tianyan (Shandong Tianyan Instrument Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Manufacture | China |
| Model | TY-ZSD |
| Detection Principles | Colorimetric Spectrophotometry (Visible Range, 400–700 nm) |
| Measurement Method | Digestion + Reagent-Based Chromogenic Reaction + Absorbance Quantification per Lambert-Beer Law |
| Supported Elements | Pb, As, Cr(VI), Cd, Hg, Ni, Al, F, Ti, Se, Fe, Zn, Mn, Cu |
| Optical Accuracy | ±0.5% Transmittance |
| Repeatability | ≤±0.05% |
| Drift Stability | <0.001 AU/30 min (after 5-min warm-up) |
| Linearity Error | ≤0.2% (verified with CuSO₄ standard) |
| Power Consumption | ≤5 W |
| Input Power | AC 220 V / 50 Hz or DC 12 V |
| Output | Built-in thermal printer (auto-printing of results) |
| Sample Throughput | ~8–12 samples/hour (including digestion prep) |
| Compliance Standards | GB/T 5009.11–2003, GB/T 5009.12–2003, GB/T 5009.15–2003, GB/T 5009.17–2003, GB/T 5009.123–2003 |
| Brand | Tianze Environment |
|---|---|
| Origin | Shandong, China |
| Model | TZ-TY |
| Measurement Parameters | Soil EC (mS/cm), Salinity (g/kg or dS/m), Temperature (°C), Volumetric Water Content (%), pH, N/P/K (via optional ion-selective sensors) |
| Display | 3.5" color LCD (320×480) |
| Data Storage | 8 GB internal flash (≥280 million records per parameter) |
| Sampling Interval | 1–60 min configurable |
| Power | 3800 mAh Li-ion battery (Type-C rechargeable) |
| Enclosure Rating | IP65 (host), IP68 (probes) |
| Communication | RS-485 (Modbus RTU), USB virtual disk export, 4G LTE (optional DTU module) |
| Dimensions | 167 × 80 × 30 mm |
| Weight | 263 g |
| Operating Temp | 0–40 °C |
| RH Limit | ≤85% non-condensing |
| Sensor Interface | Dual RS-485 ports, auto-sensing probe recognition |
| Cloud Integration | Tianze Smart AgriCloud Platform (HTTPS/REST API compliant) |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | Intelligent Service Platform |
| Pricing | Upon Request |