Accurate and Dependable
Ideal for long-term deployment in harsh conditions
Ideal for long-term deployment in harsh conditions
Overview
The CS305-ETM pyranometer, manufactured by Apogee, is similar to the CS300 but uses a different fixed multiplier and includes a leveling mount.
Read MoreBenefits 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.
Compatibility
The connector attaches to an ET107 or ET106 Weather Station.
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 |
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| 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) |
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Replacement Part for the following products: