Campbell Sci – CS301 Solar Radiation

The CS301, manufactured by Apogee Instruments, measures total sun and sky solar radiation for solar, agricultural, meteorological, and hydrological applications. Its spectral range of 360 to 1120 nanometers encompasses most of the short-wave radiation that reaches the Earth’s surface. Because the CS301 connects directly to Campbell Scientific data loggers, the output of this pyranometer can be collected on site, as well as remotely.

This pyranometer features an IP67-rated, marine-grade 316L connector that allows the user to easily swap sensors for recalibration or to replace damaged cables.

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Description

Specifications

ISO Classification Class C (second class)
Light Spectrum Waveband 360 to 1120 nm (wavelengths where response is 10% of maximum)
Measurement Range 0 to 2000 W/m2 (full sunlight ≈1000 W/m2)
Absolute Accuracy ±5% for daily total radiation
Spectral Range 360 to 1120 nm
Calibration Factor 5 W/m2/mV
Cosine Correction Error ±5% at 75° zenith angle; ±2% at 45° zenith angle
Temperature Response 0.04 ± 0.04% per °C
Response Time < 1 ms
Long-Term Stability < 2% per year
Operating Temperature Range -40° to +70°C
Relative Humidity Range 0 to 100%
Sensitivity 0.2 mV/W/m2
Diameter 2.4 cm (0.9 in.)
Height 2.5 cm (1.0 in.)
Weight 65 g (2.3 oz) with 2-m (6.6-ft) lead wire

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