Technical Specification
Measuring range: | 0 to 1500W/m2 |
Resolution: | 0.1W/m2 |
Spectral range: | 0.3 to 3μm |
Output: | Approx. 15mV/Wm-2 |
Impedance: | Approx. 35ohms |
Operative range: | –40 to +60°C |
Accuracy: | Cosine effect + azimuth effect + temperature influence |
Cosine effect: Inclination azimuth effect: Temperature influence: | < 3% of measured value (0 to 80° inclination) < 3% of meas. val. < 1% of meas. val. (–20 to +40°C) |
Nominal temperature: | 22°C ±2°C |
Linearity: | <0.5% (0.5 to 1330W/m2) |
Stability: | <1% of the meas. range per year |
Settling time: | 25s (t95) |
Dimensions: | 160mm Ø, 75mm high, hole circle: 134mm Ø, holes: 8mm Ø |
Weight: | 1kg |
Technical Features
- Star pyranometer, according to Dirmhirn, for measuring the global radiation, the sky radiation and the short-wave radiation.
- Independent from ambient temperature through differential temperature measurement.
- Cut precision glass cupola for shielding from external environmental effects.
- Levelling by 3 setting screws and an integrated bubble.