Description
Specifications
| Power Supply | Self-powered |
| Sensitivity | 0.01 mV per µmol m-2 s-1 |
| Calibration Factor (Reciprocal of Sensitivity) | 100.0 µmol m-2 s-1 per mV |
| Calibration Uncertainty | ±5% (for daily total radiation) |
| Calibrated Output Range | 0 to 40 mV |
| Measurement Range | 0 to 4000 µmol m-2 s-1 |
| Measurement Repeatability | < 1% (up to 4000 μmol m-2 s-1) |
| Long-Term Drift | < 2% per year |
| Non-Linearity | < 1% (up to 4000 µmol m-2 s-1) |
| Response Time | < 1 ms |
| Field of View (FOV) | 180° |
| Spectral Range | 389 to 692 nm ±5 nm (wavelengths where response is greater than 50% of maximum) |
| Spectral Selectivity | < 10% from 412 to 682 nm ±5 nm |
| Directional (Cosine) Response | ±5% (at 75° zenith angle) |
| Azimuth Error | < 0.5% |
| Tilt Error | < 0.5% |
| Temperature Response | -0.11 ±0.04% per °C |
| Uncertainty in Daily Total | < 5% |
| Detector | Blue-enhanced silicon photodiode |
| Housing | Anodized aluminum body with acrylic diffuser |
| IP Rating | IP68 |
| Operating Temperature Range | -40° to +70°C |
| Operating Environment | 0 to 100% relative humidity |
| Cable | 5 m of shielded, twisted-pair wire
Additional cable available in multiples of 5 m; Santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions); pigtail lead wires |
| Warranty | 4 years (against defects in materials and workmanship) |
| Diameter | 2.4 cm (0.9 in.) |
| Height | 3.5 cm (1.4 in.) |
| Weight | 100 g with 5 m of lead wire (3.53 oz with 16.4 ft of lead wire) |




