Campbell Sci – SP230SS Solar Radiation

The SP230SS pyranometer, manufactured by Apogee, includes a 0.18 W internal heater and an elevated base that allow it to provide solar radiation measurements during the most severe weather. Its small heater draws just 15 mA of current, allowing it to be powered by a small solar panel and battery─even on days with a short duration of daylight and at high latitudes (far away from the equator).

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)
Spectral Range 360 to 1120 nm (wavelengths where response is 10% of maximum)
Measurement Range 0 to 1750 W/m2 (full sunlight ≈1000 W/m2)
Heater 780 Ω, 15.4 mA current drain, 185 mW power at 12 Vdc
Absolute Accuracy ±5% for daily total radiation
Sensitivity 0.2 mV/W/m2
Calibration Factor 5 W/m2/mV
Cosine Response ±5% at 75° zenith angle; ±1% at 45° zenith angle
Temperature Response -0.04 ±0.04% per °C
Long-Term Stability < 2% per year
Operating Temperature Range -40° to +70°C
Relative Humidity Range 0 to 100%
Diameter 3.15 cm (1.24 in.)
Height 12.75 cm (5.02 in.)
Weight 142.0 g (5.01 oz) with 2 m (6.56 ft) cable

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