CS305-ETM Solar Radiation Sensor with Mounting Hardware for ET107 Station
Accurate and Dependable
Ideal for long-term deployment in harsh conditions
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Overview

The CS305-ETM pyranometer, manufactured by Apogee, is similar to the CS300 but uses a different fixed multiplier and includes a leveling mount.

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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-ETM 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 dataloggers, 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
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

Replacement Part for the following products: