Apogee - Model SP-510 - Upward Looking Thermopile Pyranometer
The SP-510 is an upward-looking thermopile pyranometer with an analog output of 0 to 114 mv. The sensor incorporates a blackbody thermopile detector and acrylic diffuser with a rugged, self-cleaning sensor housing design. Typical applications include shortwave radiation measurement in agricultural, ecological, and hydrological weather networks. Sensors are also used to optimize photovoltaic systems. These sensors can also be coupled with our downward facing pyranometer to form an albedometer. For this application, we recommend using our AL-130 albedometer leveling bracket.
Specifications
- Power Supply Self powered
- Sensitivity (variable from sensor to sensor, typical values listed) 0.057 mV per W m-2
- Calibration Factor (reciprocal of sensitivity) (variable from sensor to sensor, typical values listed) 17.5 W m-2 per mV
- Calibration Uncertainty ± 5 %
- Calibrated Output Range 0 to 114 mV
- Measurement Range 0 to 2000 W m-2 (net shortwave irradiance)
- Measurement Repeatability Less than 1 %
- Long-term Drift Less than 2 % per year
- Non-linearity Less than 1 %
- Detector Response Time 0.5 seconds
- Field of View 180°
- Spectral Range (50 % points) 385 nm to 2105 nm
- Directional (Cosine) Response Less than 30 W m-2 at 80° solar zenith
- Temperature Response Less than 5 % from -15 to 45 C
- Zero Offset A Less than 5 W m-2; Less than 10 W m (heated)
- Zero Offset B Less than 5 W m-2
- Uncertainty in Daily Total Less than 5 %
- Operating Environment -50 to 50 C, 0 to 100 % relative humidity
- Heater 780 Ω, 15.4 mA current drain and 185 mW power requirement at 12 V DC
- Dimensions 28.7 mm height, 23.5 mm diameter
- Mass 90 g
- Warranty 4 years against defects in materials and workmanship
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