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| Brand | Campbell |
|---|---|
| Origin | USA |
| Model | EC150 |
| Measurement Principle | Open-path infrared absorption (CO₂/H₂O) + ultrasonic anemometry (3D wind, sonic temperature) |
| Output Frequency | Up to 60 Hz |
| Bandwidth | 20 Hz |
| Power Consumption | Low-power design suitable for solar-powered operation |
| Environmental Rating | Outdoor-rated, rain-resistant housing with hydrophobic mesh and angled optical windows |
| Calibration | Factory-calibrated for CO₂, H₂O, air temperature, barometric pressure, and sonic temperature across wide operational ranges |
| Compatibility | Native integration with Campbell Scientific dataloggers (CR6, CR1000X, etc.) for configuration, zero/span adjustment, diagnostics, and real-time data streaming |
| Diagnostic Capabilities | Comprehensive internal diagnostics including signal strength, window contamination index, path alignment status, and transducer health monitoring |
| Compliance | Designed to meet field requirements for FLUXNET, AmeriFlux, ICOS, and other long-term eddy covariance networks adhering to AmeriFlux/ICOS Best Practices and ISO 17025 traceable calibration protocols |
| Brand | Campbell Scientific |
|---|---|
| Origin | USA |
| Model | CS320 |
| Sensor Type | Thermopile-based Total Solar Radiation Sensor |
| Calibration Uncertainty | ±5% |
| Measurement Range | 0–2000 W/m² |
| Repeatability | <1% |
| Long-term Drift | <2% per year |
| Non-linearity | <1% |
| Spectral Range | 385–2105 nm |
| Field of View | 180° (hemispherical) |
| Response Time | 2 s |
| Temperature Dependence | <5% over −15 to +45 °C |
| Operating Temperature | −50 to +50 °C |
| Heating Power | 0.2 W |
| Supply Voltage | 6–24 VDC |
| Current Consumption | 5 mA (during measurement) |
| Output Protocol | SDI-12 digital interface |
| Sensor Diameter | 34.3 mm |
| Height | 39.6 mm |
| Mass | 64.9 g |
| Brand | Campbell Scientific |
|---|---|
| Origin | USA |
| Model | CSAT3 |
| Measurement Principle | Ultrasonic Time-of-Flight (TOF) in Three Orthogonal Axes |
| Vertical Path Length | 10 cm |
| Output Frequency | Up to 50 Hz |
| Output Options | Analog (±5 V) and Digital (SDM, RS-232) |
| Operating Temperature Range | –30°C to +50°C |
| Ingress Protection | IP66-rated enclosure |
| Compliance | Designed for eddy covariance systems compliant with AmeriFlux, ICOS, and FLUXNET protocols |
| Integrated Clock | Internal temperature-compensated crystal oscillator (TCXO), ±1 ppm stability over operating range |
| Synchronization | SDM-compatible for precise multi-sensor timing alignment |
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