CS305-ET Solar Radiation Sensor for ET107 Stations
Accurate and Dependable
Ideal for long-term deployment in harsh conditions
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Overview

The CS305-ET pyranometer, manufactured by Apogee, uses a different fixed multiplier than the CS300.

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Benefits and Features

  • Dome-shaped head prevents water from accumulating on the sensor head

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Detailed Description

The CS305-ET measures total sun and sky solar radiation using a silicon photocell. The spectral range is 300 to 1000 nanometers, which encompasses most of the shortwave radiation that reaches the Earth's surface.

The standard output is 0.005 mV per W m-2, which provides a signal of 5 mV in full sunlight (1000 W m-2). All of our data loggers, except the CR200(X) series, can measure this output. Therefore both the ET107 and ET106 are compatible.

Specifications

Light Spectrum Waveband 300 to 1100 nm
Measurement Range 0 to 2000 W m-2 (full sunlight ≈ 1000 W m-2)
Absolute Accuracy ±5% for daily total radiation
Sensitivity 0.2 kW m-2 mV-1
Cosine Response
  • ±4% (at 75° zenith angle)
  • ±1% (at 45° zenith angle)
Temperature Response < 1% (at 5° to 40°C)
Long-Term Stability < 2% per year
Diameter 2.4 cm (0.9 in.)
Cable Length 152.4 cm (60 in.)
Height 2.5 cm (1.0 in.)
Weight 65 g (2.3 oz)

Compatibility

The connector attaches to an ET107 or ET106 Weather Station.

Listed Under

Other Accessory for the following products:
Replacement Part for the following products: