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| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-190R |
| Measurement Range | 0 to >10,000 μmol·m⁻²·s⁻¹ |
| Spectral Range | 400–700 nm |
| Calibration Uncertainty | ±5% |
| Sensitivity | 5–10 μA per 1000 μmol·m⁻²·s⁻¹ |
| Linearity Error | ≤1% up to 10,000 μmol·m⁻²·s⁻¹ |
| Response Time | <1 μs |
| Temperature Dependence | <0.15%/°C |
| Cosine Response Error | <±1% at 82° zenith angle |
| Operating Environment | −40 to +65°C, 0–100% RH (non-condensing) |
| Detector | Blue-enhanced silicon photovoltaic cell |
| Housing | Anodized aluminum with acrylic diffuser and stainless-steel mounting hardware |
| Dimensions | 2.36 cm Ø × 3.63 cm H |
| Weight | Sensor head: 24 g |
| 2 m cable with base | 60 g |
| Cable Options | 2 m, 5 m, 15 m, 50 m |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-191R |
| Measurement Range | 0–5000 μmol·s⁻¹·m⁻² (PPFD) |
| Spectral Range | 400–700 nm |
| Calibration Uncertainty | ±10% (NIST-traceable) |
| Sensitivity | 7 μA per 1000 μmol·s⁻¹·m⁻² (typ.) |
| Linearity Error | ≤1% up to 10,000 μmol·s⁻¹·m⁻² |
| Response Time | 10 μs |
| Temperature Dependence | ≤±0.15%/°C |
| Cosine Correction | Acrylic diffuser |
| Azimuthal Error | <±2% at 45° elevation over 360° |
| Spatial Uniformity | ±7% across 1 m length (tested under 2.54 cm incandescent source) |
| Active Area | 1 m × 12.7 mm |
| Operating Environment | −40 to +65 °C, 0–95% RH (non-condensing) |
| Detector | Blue-enhanced silicon photovoltaic cell |
| Housing | Anodized aluminum with acrylic diffuser and stainless steel fasteners |
| Dimensions | 121.3 × 2.54 × 2.54 cm (L×W×D) |
| Weight | 1.4 kg |
| Cable Length | Standard 2 m (5 m optional) |
| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SKS20 Pore Water Sampler System |
| Vacuum Controllers | VS-Pro, VacuPorter, VPS-2 |
| Sampling Principle | Suction-based ceramic cup extraction under controlled negative pressure |
| Ceramic Cup Material | Sintered aluminum oxide |
| Cup Dimensions | Ø2 cm × 6 cm |
| Dead Volume | Minimal |
| pH Range | 4–9 |
| Bubble Point | –100 kPa |
| Sampling Rate (Free Water, –50 kPa) | ~5 mL / 10 min |
| Sampling Rate (Sandy Loam, –50 kPa) | ~5 mL / h |
| Vacuum Range (VS-Pro) | 0 to –85 kPa |
| Vacuum Accuracy (VS-Pro) | ±0.05 kPa |
| Power Supply (VS-Pro) | 10.5–15 VDC |
| Current Draw (VS-Pro, Operating) | ~15–16 mA |
| Memory Capacity (VS-Pro) | 5,000 readings |
| Enclosure Rating (VS-Pro) | IP66 |
| Operating Temperature (VS-Pro) | –10 °C to 45 °C |
| VacuPorter Max Vacuum | –85 kPa @ 1 bar |
| VacuPorter Flow Rate | 10 L/min |
| VacuPorter Battery Life | 7 h |
| VPS-2 Max Vacuum | –85 kPa @ 1 bar |
| VPS-2 Displacement | 0.41 L/stroke |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-210R |
| Spectral Range | 450–650 nm |
| Output Unit | lux / klux |
| Calibration Uncertainty | ±5% (absolute) |
| Sensitivity | 30 µA per 100 klux (typical) |
| Linearity | ≤1% (up to 100 klux) |
| Response Time | <1 µs |
| Temperature Dependence | ±0.15%/°C |
| Cosine Correction Accuracy | ±1% up to 82° incidence angle |
| Azimuthal Error | <±1% over 360° at 45° elevation |
| Tilt Independence | No orientation-dependent bias |
| Operating Environment | −40 to +65°C, 0–100% RH (non-condensing) |
| Detector | Blue-enhanced silicon photovoltaic cell |
| Housing | Anodized aluminum with acrylic diffuser and stainless steel mounting hardware |
| Dimensions | 2.36 cm Ø × 3.63 cm H |
| Head Mass | 24 g |
| Cable Options | 2 m, 5 m, 15 m, or 50 m |
| Compatible Loggers | LI-1500, LI-250A, 2420 Amplifier, mV Adapter 2003S, Leveling Base 2001S/2003S, Protective Hood |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-192 |
| Measurement Range | 400–700 nm |
| Calibration Uncertainty | ±5% (in air) |
| Sensitivity | ~4 µA per 1000 µmol·s⁻¹·m⁻² (underwater) |
| Linearity Error | ≤1% up to 10,000 µmol·s⁻¹·m⁻² |
| Response Time | 10 µs |
| Temperature Dependence | ≤±0.15%/°C |
| Cosine Correction | Optimized for both air and underwater use |
| Azimuthal Error | <±1% at 45° elevation over full 360° |
| Operating Temperature | −40 to +65 °C |
| Pressure Rating | 5500 kPa (equivalent to 560 m depth) |
| Detector | Blue-enhanced, high-stability silicon photovoltaic cell |
| Housing | Corrosion-resistant metal, submersible in freshwater and seawater |
| Dimensions | 3.18 cm Ø × 4.62 cm H |
| Weight | 227 g |
| Cable Options | LI-COR 2222UWB underwater cable (3, 10, 30, 50, or 100 m) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | RM.YOUNG 81000RE |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer | METEK GmbH (Germany), Distributed in North America |
| Instrument Type | Imported High-Precision Turbulence-Grade 3D Ultrasonic Anemometer |
| Model | uSonic-3 Cage MP / uSonic-3 Class A MP |
| Sampling Rate | Up to 30 Hz per transducer pair (90 Hz total radial data rate) |
| Wind Speed Range | ±40 m/s |
| Operating Temperature | −40 °C to +60 °C |
| Relative Humidity | 5–100 % RH |
| Wind Accuracy | ±0.5–1 % RMS @ 5 m/s (horizontal, 0°–20° sector) |
| Vertical Velocity Resolution | 0.006 m/s |
| Temperature Resolution | 0.01 K |
| Output Data | 9 radial wind components, 9 sonic temperature values, Cartesian (u, v, w), scalar wind speed & direction, turbulence statistics (with optional module) |
| Communication | RS422, RS485 (300–115.2 kbaud), 10/100 Mbit Ethernet (ASCII protocol, NMEA-compliant framing, checksum support) |
| Power | 10–36 VDC, 2.5 W (heating optional: 10–24 VDC, ≤100 W) |
| Mounting Options | Cage-mount (Cage MP) or Class A meteorological mast mount (Class A MP) |
| Compliance | Designed for eddy covariance systems compliant with AmeriFlux, ICOS, and FLUXNET protocols |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-193 Spherical Underwater PAR Sensor |
| Measurement Depth | Up to 350 m |
| Spectral Range | 400–700 nm |
| Calibration Uncertainty | ±5% |
| Sensitivity | 7 µA per 1000 µmol·s⁻¹·m⁻² (typ.) |
| Linearity | ±1% deviation up to 10,000 µmol·s⁻¹·m⁻² |
| Long-term Stability | <±2% per year |
| Response Time | 10 µs |
| Temperature Dependence | ≤±0.15%/°C |
| Angular Response Error | <±4% up to ±90° from vertical axis |
| Azimuthal Uniformity | <±3% over full 360° at 90° from vertical |
| Operating Temperature | −40 to +65 °C |
| Pressure Rating | 3400 kPa (equivalent to 350 m seawater depth) |
| Sensor Sphere Diameter | 6.1 cm |
| Base Diameter | 3.18 cm |
| Total Height | 10.7 cm |
| Mass | 142 g |
| Cable Options | Standard 3 m |
| optional lengths | 10, 30, 50, or 100 m (LI-2222UWB submersible cable) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-8250 Multi-Channel Automated Soil Greenhouse Gas Flux Measurement System |
| Dimensions | 38.5 cm L × 52 cm W × 18.5 cm H |
| Weight | 7.7 kg |
| Ingress Protection | IP55 |
| Operating Temperature | –20 to 45 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Data Storage | 8 GB internal |
| GPS Accuracy | 2.5 m CEP |
| Maximum Chamber Radius from Unit | 15.0 m (one tube per chamber) |
| Maximum Chamber Diameter Coverage | 30.0 m |
| Pump Flow Rate (chamber-to-unit) | ~2–3 L/min (diaphragm type) |
| Barometric Pressure Sensor Range | 20–110 kPa |
| Accuracy | ±0.4 kPa (50–110 kPa) |
| Resolution | 0.006 kPa |
| Power Input | 10–30 VDC |
| Typical Power Consumption | 4.8 W (standby), 15.6 W (sampling/moving), 18.2 W (peak) |
| Communication | 3× sealed RJ-45 Ethernet, Wi-Fi (2.4 GHz, 802.11 a/b/g/n/ac), USB-A (1 sealed for LI-870, 2 standard), RS-422 output (24 VDC, 115.2 kbps, 1.8 A max/port) |
| Chamber Compatibility | SDI-12–enabled long-term chambers (e.g., 8200-104 / 8200-104C) |
| chamber volume | 3955 cm³ |
| soil measurement area | 317.8 cm² |
| Environmental Sensor Support | Air temperature (±0.3 °C), PAR/light (0–100 µA input, ±0.37% of reading + 8 nA), soil temperature & moisture (via SDI-12) |
| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer | METER Group, Inc. |
| Model | TEROS 10 |
| Measurement Principle | 70 MHz Frequency Domain Reflectometry (FDR) |
| Output | Analog Voltage (1,000–2,500 mV) |
| VWC Range | 0–64% (soil), 0–70% (non-soil media) |
| Resolution | 0.001 m³/m³ |
| Accuracy | ±0.03 m³/m³ (±3.0% VWC) in mineral soils with EC < 8 dS/m using generic calibration |
| Dielectric Constant Range | 1–80 |
| Accuracy of εₐ | ±1 εₐ (1–40), ±15% of reading (40–80) |
| Operating Temperature | −40 to +60 °C |
| Probe Length | 5.4 cm |
| Housing Dimensions | 5.1 × 2.4 × 7.5 cm (L×W×H) |
| Cable Length | Standard 5 m (custom up to 40 m) |
| Connector | 3.5 mm TRS jack or bare leads |
| Excitation Voltage | 3.0–15.0 VDC |
| Measurement Duration | 10–25 ms |
| Compliance | ISO 9001:2015, CE (2014/30/EU & 2011/65/EU), EN 61326-1:2013, EN 55022/CISPR 22 |
| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer | METER Group, Inc. (formerly Decagon Devices) |
| Model | TEROS 11 |
| Measurement Principle | 70 MHz Capacitive Dielectric Sensing |
| Output Protocol | SDI-12 / DDI Serial |
| Compliance | ISO 9001:2015, EN 61326-1:2013, EN 55022/CISPR 22, CE Marked per 2014/30/EU & 2011/65/EU |
| Sensor Dimensions | 9.4 × 2.4 × 7.5 cm (L×W×H) |
| Probe Length | 5.5 cm |
| Cable Length | Standard 5 m (custom up to 75 m) |
| Operating Temperature | −40 to +60 °C |
| VWC Range (mineral soil) | 0.00–0.70 m³/m³ |
| VWC Accuracy (generic mineral soil cal) | ±0.03 m³/m³ (EC < 8 dS/m) |
| Temp Accuracy | ±1.0 °C (−40 to 0 °C), ±0.5 °C (0 to 60 °C) |
| Temp Resolution | 0.1 °C |
| VWC Resolution | 0.001 m³/m³ |
| Dielectric Range | 1–80 (εₐ) |
| Frequency | 70 MHz |
| Power Supply | 4.0–15.0 VDC |
| Sleep Current | ~0.03 mA |
| Active Current (25 ms) | 3.0–16.0 mA |
| Interface | 3.5 mm TRS or bare-wire termination |
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