Soil Carbon Flux Measurement System
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| Brand | Acclima |
|---|---|
| Origin | USA |
| Model | TDR-315N |
| Measurement Principle | Time-Domain Reflectometry (TDR) |
| Output Interface | SDI-12 |
| Probe Length | 15 cm |
| Waveform Rise Time (20–80%) | 300 ps |
| Timebase Resolution | 5 ps |
| Incident Pulse Amplitude | 2.3 V |
| Volumetric Water Content Range | 0–100% VWC |
| VWC Accuracy | ±2% FS |
| Dielectric Constant Range | 1–100 |
| EC Range (Bulk) | 0–6000 µS/cm |
| EC Accuracy | ±25 µS/cm (0–1000 µS/cm), ±2.5% (1000–2000 µS/cm), ±5% (2000–5000 µS/cm) |
| Temperature Range | −40 to +60 °C |
| Temp Accuracy | ±0.25 °C (5–35 °C), ±0.5 °C (−15 to +50 °C) |
| Housing | Waterproof Epoxy-Filled Enclosure |
| Cable | 5 m, 3-conductor, IP68-rated |
| Power Supply | 6.5–15 V DC |
| Quiescent Current | 10 µA |
| Active Current | 118 mA @ 12 V DC |
| Dimensions (Sensor Body) | 210 × 53 × 20 mm |
| Probe Diameter | 3.5 mm |
| Mass (Sensor Only) | 105 g |
| Origin | United Kingdom |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | ACE |
| Pricing | Upon Request |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | ACE |
| Configuration | Master Control Unit + Up to 30 ACE Sensor Nodes |
| Power | Low-Voltage DC via Single Cable (No Pneumatic Tubing) |
| Max Network Radius | 200 m |
| Compliance | Designed for GLP-Compliant Field Deployment |
| Data Storage | Internal SD Card (No PC Required) |
| Interface | Local LCD + Keypad on Both Master and ACE Units |
| Optional Modules | O₂ Sensor, Hyperspectral Imaging Module, Thermal IR Imaging Module, ECODRONE® UAV Integration |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | ACE Automated Soil Respiration System |
| CO₂ Analyzer Resolution | 1 ppm |
| Chamber Area | 415 cm² |
| Power Options | 12 V 40 Ah Rechargeable Battery (≈30 days field operation), Solar Panel, or 220 V AC |
| Sensor Expansion | Up to 6 soil temperature probes, 4 soil moisture sensors |
| Measurement Modes | Closed-chamber (transparent & opaque), Open-chamber (transparent & opaque) |
| Data Storage | Internal SD card |
| Operating Interface | 240×64 pixel LCD with 5-button microcontroller interface |
| Optional Modules | Soil O₂ sensor, Hyperspectral imaging module, IR thermal imaging module, ECODRONE® UAV integration kit, Custom gas extraction/sampling configuration |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | EGA60 |
| CO₂ Measurement Range | 0–2000 ppm |
| H₂O Vapor Pressure Range | 0–75 mbar |
| O₂ Measurement (Optional) | 0–50% (0–23 mg/L) |
| Flow Rate per Channel | 0–500 mL/min |
| Resolution | CO₂ = 1 ppm, H₂O = 0.1 mbar, O₂ = 0.05% @ 20% O₂ |
| Accuracy | CO₂ (temperature & pressure compensated), O₂ = ±0.2% @ 20% O₂ |
| Response Time (O₂) | <1 s |
| Data Storage | Removable SD card (up to 16 million data points) |
| Display | 240 × 64 pixel monochrome LCD |
| Operating Temperature | 5–45 °C |
| Dimensions | 27 × 25 × 15 cm |
| Weight | 7.5 kg |
| Interfaces | RS232, USB Mini-B, 7-channel analog input (0–5 V / 0–20 mA) |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | SRS-1000 T |
| CO₂ Range | 0–2000 ppm |
| CO₂ Resolution | 1 ppm |
| H₂O Range | 0–75 mbar |
| H₂O Resolution | 0.1 mbar |
| PAR Sensor Range | 0–3000 µmol·m⁻²·s⁻¹ |
| Soil Temperature Probe Range | 5–50 °C |
| Chamber Volume | 1 L |
| Chamber Diameter | 130 mm |
| Stainless Steel Collar Height | 75 mm |
| Acrylic Chamber Height | 70 mm |
| Operating Temperature | 5–45 °C |
| Battery Life | 10 h (2.8 Ah, 12 V lead-acid) |
| Display | 480 × 272 pixel WQVGA color touchscreen (95 × 53.9 mm) |
| Data Storage | SD card (up to 32 GB) |
| Interface | Mini-B USB & RS232 (9-pin D-sub) |
| Flow Rate | 68–340 µmol·m⁻²·s⁻¹ |
| Warm-up Time | 5 min @ 20 °C |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | SRS-2000 T |
| CO₂ Range | 0–3000 ppm |
| CO₂ Resolution | 1 ppm |
| H₂O Range | 0–75 mbar |
| H₂O Resolution | 0.1 mbar |
| PAR Sensor Range | 0–3000 µmol·m⁻²·s⁻¹ |
| Soil Temperature Probe Range | 5–50 °C |
| Chamber Volume | 1 L |
| Chamber Diameter | 130 mm |
| Chamber Height (Stainless Steel Ring + Acrylic Hood) | 145 mm |
| Flow Rate | 68–340 µmol·m⁻²·s⁻¹ |
| Preheat Time | 5 min @ 20 °C |
| Display | 480 × 272-pixel WQVGA color touchscreen (95 × 53.9 mm) |
| Battery | 7.5 Ah / 12 V Li-ion (16 h continuous operation) |
| Data Storage | SD card (up to 32 GB) |
| Operating Temperature | 5–45 °C |
| Control Unit Dimensions & Weight | 230 × 110 × 170 mm / 4.1 kg |
| Handle Weight | 0.8 kg |
| Chamber Weight | 645 g (325 g ring + 320 g hood) |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | AZ-iChamber |
| Height Options | 0.5 / 0.8 / 2.0 m |
| Footprint Options | 0.08 / 0.3 / 1.0 m² |
| Configurable | Transparent or Opaque |
| 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 | 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 |
| Brand | UGT |
|---|---|
| Origin | Germany |
| Model | ECOLAB FLEX |
| Configuration | Modular Soil Unit + Atmospheric Unit + Central Control & Data Acquisition Unit |
| Compliance | Designed for GLP-compliant environmental research and ISO 14040/14044 life cycle assessment studies |
| Sensor Integration | Supports analog/digital (SDI-12, RS-485, 0–10 V, 4–20 mA) interfaces for third-party and OEM sensors |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | iSCAN |
| Price Range | USD 14,000 – 28,000 |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LJ-PF1000 |
| CO₂ Range | 0–2000 ppm (customizable) |
| CH₄ Range | 0–100 ppm (customizable) |
| H₂O Range | 0–6% |
| CO₂ Precision | ±0.1 ppm @ 1 Hz |
| CH₄ Precision | ±10 ppb @ 1 Hz |
| H₂O Accuracy | ±1.5% of reading |
| Temperature Accuracy | ±0.1 °C (20–60 °C) |
| Sampling Flow Rate | 1 L/min (adjustable) |
| Chamber Dimensions | Ø220 mm × 120 mm H |
| Chamber Volume | 3140 cm³ |
| Battery Life | 8 hours (Li-ion) |
| Operating Temp. | −30 to +60 °C |
| Operating Humidity | <99% RH (non-condensing) |
| Weight | <10 kg |
| Data Output | Real-time flux & respiration rate calculation |
| Connectivity | Wi-Fi, BeiDou/GPS dual-mode (optional) |
| Expandability | 预留RS485, analog, and digital I/O ports for optional sensors (PAR, soil T/RH, anemometer, 4G telemetry) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Soil GHG Analyzer |
| Price Range | USD 210,000 – 350,000 |
| Channel Capacity | 24 independent sampling ports |
| Operating Temperature | Ambient (10–35 °C) |
| Target Gases | N₂O, CH₄, CO₂, CO, C₁–C₆ hydrocarbons, aromatic & cyclic hydrocarbons, carboxylic acids & derivatives, aldehydes, ketones |
| Measurement Mode | Real-time, sequential multi-point gas chromatography with integrated thermal desorption and PID/FID detection modules |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | 8200-01 |
| Chamber Diameter | 20 cm |
| Soil Area | 317.8 cm² |
| Chamber Volume | 4244.1 cm³ |
| Air Temperature Sensor Range | −20 to 70 °C, Accuracy: ±0.5 °C (0–70 °C) |
| Pressure Sensor Range | 50–110 kPa, Accuracy: ±0.4 kPa, Resolution: 1.5 Pa (typ.) |
| Operating Temperature | −20 to 50 °C |
| Power Supply | 10–17 VDC |
| Battery | 4S Li-ion, 98 Wh, built-in protection |
| Battery Life | 34 h (standalone), 20 h (with LI-870 CO₂/H₂O analyzer) |
| Soil Thermocouple Port | compatible with 6000-09TC, cable length: 1.2 or 2 m |
| Weight | 4.3 kg (incl. battery) |
| Onboard Memory | 8 GB (OS + data) |
| GPS Accuracy | 2.5 m CEP |
| Wi-Fi | 2.4 GHz, IEEE 802.11a/b/g/n/ac |
| SDI-12 Interface | for Stevens HydraProbe (optional) |
| Connectivity | USB-A (LI-870), USB-B (non-LI-COR analyzers), RJ-45 Ethernet (LI-COR trace gas analyzers), USB-A (external Wi-Fi adapter) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-7810 |
| Measurement Principle | Optical Feedback–Cavity Enhanced Absorption Spectroscopy (OF-CEAS) |
| Gases Measured | CH₄, CO₂, H₂O |
| Detection Limits | Sub-ppb CH₄, <0.1 ppm CO₂, <0.01% RH H₂O |
| Power Requirement | 12–24 V DC (LI-7810) |
| Operating Temperature | –25 to 45 °C |
| Communication | Ethernet, Wi-Fi, Bluetooth (8200-01S), USB, RS-232 |
| Data Output | Real-time flux calculations (CH₄ & CO₂), soil temperature & moisture (via optional sensors), diagnostic logs |
| Compliance | Designed for GLP-compliant field deployment |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-7815 |
| Measurement Principle | Optical Feedback–Cavity Enhanced Absorption Spectroscopy (OF-CEAS) |
| Measurement Frequency | 1 Hz |
| Cavity Volume | 6.41 cm³ |
| Sample Flow Rate | 250 sccm (standard mL/min) |
| CO₂ Range | 0–10,000 µmol/mol |
| CO₂ Precision (1σ) | 0.04 µmol/mol @ 400 µmol/mol (5-s average), 0.10 µmol/mol @ 400 µmol/mol (1-s average) |
| CO₂ Drift | < 0.2 µmol/mol per 24 h |
| H₂O Range | 0–60,000 µmol/mol |
| H₂O Precision (1σ) | 20 µmol/mol @ 10,000 µmol/mol (5-s average), 45 µmol/mol @ 10,000 µmol/mol (1-s average) |
| Response Time (T₁₀–T₉₀) | ≤2 s for CO₂ (0 → 400 µmol/mol) |
| Operating Temperature | −25 °C to +45 °C (non-direct-sunlight ambient) |
| Operating Humidity | 0–85 % RH (non-condensing, ambient) |
| sample line | 0–99.9 % RH (non-condensing) |
| Pressure Range | 70–110 kPa (high-altitude mode: 50–110 kPa) |
| Power Consumption | 22 W @ 25 °C (steady state) |
| AC Input | 100–240 VAC, 50–60 Hz |
| Battery Runtime | ~8 h with two standard batteries |
| Weight | 10.5 kg (including battery) |
| Dimensions (L×H×W) | 51 × 33 × 18 cm |
| Connectivity | Ethernet and Wi-Fi (2.4 GHz, IEEE 802.11 a/b/g/n/ac) |
| Onboard Data Storage | Up to 3 months of 1-Hz data |
| Internal Web Server | Yes (accessible via browser over wired or wireless network) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-7820 |
| Measurement Principle | Off-axis Cavity-Enhanced Absorption Spectroscopy (OF-CEAS) |
| N₂O Range | 0–100 ppm |
| N₂O Precision (1σ) | 0.05 ppb @ 330 ppb (60-s avg) |
| N₂O Response Time (T₁₀–T₉₀) | ≤2 s |
| H₂O Range | 0–60,000 ppm |
| H₂O Precision (1σ) | 5 ppm @ 10,000 ppm (60-s avg) |
| Measurement Frequency | 1 Hz |
| Optical Cavity Volume | 6.41 cm³ |
| Sample Flow Rate | 250 sccm (standard) |
| Operating Temperature | –25 to 45 °C |
| Operating Humidity | 0–85% RH (non-condensing, no direct solar exposure) |
| Sampling Line Humidity Tolerance | 0–99.9% RH (non-condensing) |
| Pressure Range | 70–110 kPa (extended mode: 50–110 kPa) |
| Power Consumption | 22 W (steady-state, 25 °C) |
| Battery Runtime | ~8 h (dual battery configuration) |
| Weight | 10.5 kg (incl. batteries) |
| Dimensions | 51 × 33 × 18 cm (L×W×H) |
| Connectivity | Ethernet, Wi-Fi (2.4 GHz, 802.11 a/b/g/n/ac) |
| Compliance | Designed for field-deployable GLP-aligned workflows |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-8100A |
| Status | Discontinued (Replaced by LI-870 Portable Soil CO₂ Flux System) |
| Regulatory Compliance | ASTM D6573, ISO 16634-2, USDA-NRCS Soil Gas Flux Protocols |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-8150 |
| Dimensions (L×W×H) | 40.6 × 57.2 × 21.1 cm |
| Enclosure Rating | IP55 |
| Weight | 9.4 kg (8-channel), 11.2 kg (16-channel) |
| Operating Temperature | −20 to +45 °C |
| Relative Humidity Range | 0–95% RH (non-condensing) |
| Max. Radius from Multiplexer to Chamber | 15.0 m |
| Gas Flow Rate (to/from chamber) | 3.0 L/min |
| Inter-unit Flow (LI-8150 ↔ LI-8100A) | 2.0 L/min |
| Power Input | 10.5–14.5 V DC |
| Soil Temperature Sensor Accuracy | ±1.0 °C (−20 to +50 °C) |
| Power Delivery | Supplies regulated power to connected LI-8100A analyzer |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-8250 |
| Gas Analyzers Supported | LI-7810 (CH₄/CO₂/H₂O) or LI-870 (CO₂/H₂O) |
| Max Channels | 36 (via 8250-01 expansion modules) |
| Chamber Types | 8200-104 (opaque) or 8200-104C (transparent) |
| Data Storage | 8 GB internal |
| Operating Temperature | –20 to 45 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Enclosure Rating | IEC IP55 |
| Power Input | 10–30 VDC |
| Wi-Fi | 2.4 GHz, 802.11 a/b/g/n/ac |
| GPS Accuracy | 2.5 m CEP |
| Max Chamber Radius | 15.0 m (single line), 30.0 m (with 8250-01) |
| Pressure Sensor Range | 20–110 kPa (±0.4 kPa accuracy) |
| Flow Rate to Chambers | ~2–3 L/min |
| Software | SoilFluxPRO™ |
| Brand | LI-COR |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | LI-870 |
| Price Range | USD 52,000–65,000 |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-870 |
| CO₂ Range | 0–20,000 µmol/mol |
| H₂O Range | 0–60 mmol/mol |
| CO₂ & H₂O Accuracy | ±1.5% of reading |
| Measurement Frequency | 1 Hz |
| Dimensions (Analyzer) | 28.4 × 27.9 × 12.4 cm |
| Weight (Analyzer) | 2.31 kg |
| Operating Temperature | −20 to +45 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Pressure Range | 50–110 kPa |
| Flow Rate | 0.75 L/min |
| Power Input | 10–17 VDC, max 2 A |
| Battery Life | Up to 20 h (with two batteries) |
| Measurement Principle | NDIR (Non-Dispersive Infrared) |
| Chamber | 8200-01S Smart Chamber (integrated GPS, Wi-Fi, SoilFluxPro™ software, pressure-balanced venting, bowl-shaped design, active air mixing) |
| Brand | LICA |
|---|---|
| Model | PS-9000 |
| Measurement Principle | Dynamic Closed-Chamber Method (NDIR-based) |
| CO₂ Range | 0–6000 ppm |
| H₂O Range | 0–60000 ppm |
| Accuracy | <1% of reading |
| Repeatability | <1 ppm |
| Operating Temperature | −20 to +60 °C |
| Power Consumption | <40 W (controller), <2.2 W (SC-12N chamber) |
| Battery | 24 V / 8 Ah Li-ion |
| Runtime | 3–4 h per charge |
| Dimensions (controller) | 37 × 30 × 16 cm |
| Weight (controller, with battery) | 6.8 kg |
| Chamber Type | SC-12N portable soil respiration chamber |
| Chamber Area | 276.27 cm² |
| Chamber Volume | 3451 cm³ |
| Cable Length | 2 m |
| Soil Sensor | Volumetric Water Content (0.00–0.70 m³/m³ in mineral soils |
| 0.0–1.0 m³/m³ in substrates), Temp Range | −40 to +60 °C, Temp Accuracy: ±1 °C (−40 to 0 °C), ±0.5 °C (0 to 60 °C) |
| Communication | Wi-Fi, RS-232, SDI-12 |
| Data Storage | microSD card |
| Flow Rate | 3 L/min |
| Pump Supply | 12 V, <0.5 A |
| Brand | LICA |
|---|---|
| Model | PS-9600 |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Simultaneous Target Gases | CH₄, CO₂, H₂O |
| Precision (1σ, 10 s / 100 s) | CH₄ ≤1.2 ppb / 0.6 ppb |
| Measurement Ranges | CH₄ 0–100 ppm (R² ≥ 0.9998) |
| Operating Temperature | −20 °C to +50 °C |
| Power Consumption | ≤35 W |
| Dimensions (Analyzer) | 55.38 × 35.5 × 19 cm |
| Weight (Analyzer) | 9 kg |
| SC-12 Chamber Dimensions | 27.5 × 24.5 × 44.5 cm |
| Chamber Footprint | 276.27 cm² |
| Chamber Actuation Time | ≤10 s |
| Chamber Weight | 4.05 kg |
| Data Storage | SD card |
| Communication Interfaces | RS-232, SDI-12, Wi-Fi |
| Battery | Dual rechargeable Li-ion packs included |
| Control Interface | Native Android/iOS mobile application |
| Brand | EcoTech |
|---|---|
| Origin | USA |
| Model | P3500 |
| Sensor Types | EC, VisNIR, Capacitance, Penetrometer |
| Max. Profiling Depth (Auto) | 60 cm |
| Max. Profiling Depth (Manual) | 90 cm |
| Sampling Resolution | 240 data points per insertion |
| Data Acquisition Rate | 1 Hz |
| GPS Integration | Yes |
| Sampling Tube Included | Yes |
| Compliance | ASTM D698/D1557 (soil compaction), ISO 11277 (soil texture), ISO 13879 (EC measurement), USP <1058> (analytical instrument qualification framework) |
| Brand | Pri-ECO |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | CC-50 |
| Chamber Dimensions | 50(L) × 50(W) × 40(H) cm |
| Net Weight | ~15 kg |
| Chamber Volume | 90.5 L (customizable) |
| Measurement Area | 0.1936 m² (customizable) |
| Optical Transmission | 93% (polycarbonate panel) |
| Light Control | Removable aluminized foil overlay for dark-adapted measurements |
| Window Actuation | Motorized linear actuators (top window: 90° rotation |
| side window | 45° rotation) |
| Sealing Mechanism | Precision pneumatic-assisted compression seal |
| Internal Mixing | Low-turbulence axial fan with adjustable RPM |
| Structural Material | Anodized aluminum frame + UV-stabilized optical-grade polycarbonate |
| Temperature Monitoring Range | –40 °C to +85 °C |
| Temp. Sensor Accuracy | ±2% FS |
| Power Supply | 12 V DC / 50 W nominal |
| Control Interface | Industrial-grade PLC + 7-inch resistive touchscreen HMI |
| Compliance | Designed for ISO 14064-3 field verification workflows and ASTM D6866–22 compatible δ¹³C flux partitioning protocols |
| Brand | PRI-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | PRI-8160 |
| Price Range | USD 28,000 – 70,000 |
| Chamber Material | Transparent Aluminum Alloy / Opaque Acrylic |
| External Dimensions | 44 × 26 × 26 cm (L×W×H) |
| Chamber Diameter | 20 cm |
| Chamber Height | 13 cm (adjustable) |
| Measurement Volume | 4000 cm³ (customizable) |
| Measurement Area | 315 cm² (customizable) |
| Operating Principle | Dynamic Pressure-Balanced Flow-Through System |
| Actuation | Stepper Motor |
| Control Unit | Embedded Microcontroller |
| Interface | Aviation Connector |
| Remote Operation | Bluetooth/WiFi-enabled Mobile App (iOS/Android) |
| IP Rating | IP65 |
| Weight | 5.0 kg (including handle) |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | RailBox RB Series |
| Price Range | USD 7,000 – 14,000 (FOB Europe) |
| Compliance | CE, RoHS, EN 61326-1 (EMC for Industrial Environments) |
| Operating Temperature | −40 °C to +60 °C |
| Data Storage | 250,000 timestamped records |
| Analog Inputs | 16/32/64 channels (16-bit resolution) |
| Digital Interfaces | SDI-12, RS-232, RS-485, programmable digital I/O |
| Analog Output | 20 mV–2.5 V (8 selectable ranges) |
| Measurement Interval | 3 s to 4 hr |
| Averaging Interval | 3 s to 4 hr |
| Accuracy | ±0.03% of full scale |
| Power Options | Solar-compatible 6–18 V DC, low-power standby (135 µA @ 12 V) |
| Wireless Connectivity | 4G LTE Cat-M1/NB-IoT with backward compatibility to GPRS/EDGE |