Description
Specifications
| ISO Classification | Class C (second class) |
| Calibration Uncertainty | ± 2.6% |
| Measurement Range | 0 to 2000 W/m2 (net short-wave irradiance) |
| Measurement Repeatability | < 1% |
| Long-Term Drift | < 2% (per year) |
| Non-Linearity | < 1% |
| Sensitivity | 0.057 mV/W/m2 |
| Detector Type | Blackbody thermopile |
| SDI-12 Response Time | 2 s |
| Field of View (FOV) | 180° |
| Spectral Range | 385 to 2105 nm (50% points) |
| Directional (Cosine) Response | < ±20 W/m2 (at 80° solar zenith) |
| Temperature Response | < 5% (from -15° to +45°C) |
| Output | SDI-12 (version 1.4) 1200 bps |
| Zero Offset A | 8 W/m2 |
| Zero Offset B | < 5 W/m2 |
| Operating Temperature Range | -50° to +50°C |
| Operating Environment | 0 to 100% relative humidity |
| Heater | 0.2 W (on-board) |
| Heater Power Requirements | 25 mA current drain (at 12 Vdc) |
| Input Voltage Requirements | 6 to 24 Vdc |
| Current Drain |
|
| Uncertainty in Daily Total | < 5% |
| Error Due to Clouds | ±2 % |
| Mechanical Rating | IP66/68 |
| Factory Calibrations | Traceable to secondary standard blackbody thermopile pyranometers traceable to the world radiation reference in Davos, Switzerland. |
| Warranty | 4 years against defects in materials and workmanship |
| Diameter | 3.43 cm (1.35 in.) |
| Height | 3.96 cm (1.56 in.) |
| Weight | ~65 g (2.3oz) May vary due to potting. |
