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Overview
The SP-110 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 shortwave radiation that reaches the Earth's surface. This pyranometer connects directly to our data loggers. Its output can be measured by all of our data loggers.
The "-L" on a product model indicates that the cable length is specified at the time of order.
Read MoreBenefits and Features
- Compatible with all Campbell Scientific data loggers (including the CR200(X) series)
- Designed for continuous, long term, unattended operation in adverse conditions
- Compatible with the CWS900-series interfaces, allowing it to be used in a wireless sensor network
- Dome-shaped head prevents water from accumulating on the sensor head
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Technical Description
The SP-110 uses a silicon photovoltaic detector mounted in a cosine-corrected head to provide solar radiation measurements for solar, agricultural, meteorological, and hydrological applications. Calibrated against a Kipp & Zonen CM21 thermopile pyranometer, the SP-110 accurately measures sun plus sky radiation for the spectral range of 360 to 1120 nm. Sensors calibrated to this spectral range should not be used under vegetation or artificial lights.
The standard output is 0.2 mV per W m-2, which provides a signal of 200 mV in full sunlight (1000 W m-2).
Specifications
- Light Spectrum Waveband: 360 to 1120 nm
- Measurement Range: 0 to 2000 W m-2 (full sunlight ≈1000 W m-2)
- Absolute Accuracy: ±5% for daily total radiation
- Sensitivity: 0.005 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
- Operating Temperature: -40° to +55°C
- Relative Humidity: 0 to 100%
- Diameter: 2.4 cm (0.9")
- Height: 2.5 cm (1.0")
- Weight: 65 g (2.3 oz)
Compatibility
Sensor Mounts
Accurate measurements require the sensor to be levelled using an AL-100 levelling fixture. This levelling fixture incorporates a bubble level and three adjusting screws. The AL-110 mounts to a tripod or tower using the CM225 mounting stand. For most applications, Campbell Scientific recommends attaching the CM225 to a CM202, CM204, or CM206 crossarm. The CM225 can also be attached to a tripod or tower mast.
Data Logger Considerations
One differential analog input channel per probe is required.
Compatible Contemporary Data Loggers
| CR200(X) Series | CR800/CR850 | CR1000 | CR3000 | CR5000 | CR7X | CR9000X |
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Compatible Retired Data Loggers
| CR500 | CR510 | CR10 | CR10X | 21X | CR23X | CR9000 |
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Related Documents
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Case Studies
Dr. Joan Girona of the Institute of Agroalimentary Research and Technology in Catalonia, Spain, studies......read more