Specifications
Specifications
General
- Operating Temperature Range: -25 to 50°C
- Operating Humidity Range: 0 to 95%, non-condensing
- Storage Temperature Range: -40 to 65°C; 85% RH
- Ingress Protection: IP24 Rating
- Enclosure Flame Rating: UL94-V-0
- Total System Weight: < 55 kg (< 121 lbs)
- Size (not including guy wires or pole): 42 x 110 x 108cm (16.5” x 43” x 42.5”)
- Display: 35 x 55 mm; monochrome
Solar Power
- Solar Panel: 100 Watt Monocrystalline
- Battery: 12V, 100Ah AGM
- Battery Weight: 25Kg (55 lbs.)
- Charger: 9A MPPT (Maximum Power Point Tracking) Charger
Auxiliary Power Input
- Input Voltage Range: 9 to 33 V (>11 VDC recommended for startup)
- Maximum Current: 3 A
Digital Inputs/Outputs
- SDI-12 Eddy Covariance Sensor: 1
- SDI-12 ports for other sensors: 2
- Output Voltage: 12 V
- Maximum Total Current: 2.5A
- Micro USB port for firmware updates
Mast
- Maximum Height w/ LI-710: 5M (198 in.)
- Maximum Load on Mast: 4.54 kg (10 lbs.)
- Soil Anchors: 3 with guy wires
Data
- Data Storage: Removable Industrial Micro SD card; 8 GB.
- Message Buffer: If the modem is offline, data is stored until connectivity is restored.
- Data Format: Text, Comma-separated Values (CSV)
- GNSS (GPS) Support: GPS receiver for time synchronization and location information
Cellular
- LTE CAT1
- Data Transfer Frequency: Data sent every half-hour
- Regional Approvals:
- USA
- EU
- UK
- Norway
- Greenland
- Switzerland
- Canada
Output Variables
| Variable | Description | Unit |
|---|---|---|
| ET | Actual Evapotranspiration | mm |
| LE | Latent Energy Flux | W/m2 |
| H | Sensible Heat Flux | W/m2 |
| VPD | Vapor Pressure Deficit | kPa |
| Pa | Atmospheric Pressure | kPa |
| Ta | Air Temperature | °C |
| RH | Relative Humidity Ambient | % |
| AH | Absolute Humidity Ambient | g/m3 |
| SVP | Saturated Vapor Pressure Ambient | kPa |
| Td | Dewpoint | °C |