Apogee - Model SP-212-SS - Amplified 0-2.5 V Pyranometer
From Silicon-cell Pyranometers
The SP-212 is an amplified, analog sensor with a 0 to 2.5 V output. The sensor incorporates a silicon-cell photodiode 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. Sensor includes IP68 marine-grade stainless-steel cable connector 30 cm from head to simplify sensor removal and replacement for maintenance and recalibration.
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Specifications:
- ISO 9060:2018 : Class C (previously known as second class)
- Power Supply : 3.3 to 24 V DC; current draw 10 uA
- Sensitivity : 2 mV per WriT2
- Calibration Factor : 0.5 W m-2 per mV (reciprocal of sensitivity)
- Calibration Uncertainty : ±5%
- Calibrated Output Range 0 to 2.5 V
- Measurement Repeatability Less than 1 %
- Non-stability (Long-term Drift) : Less than 2 % per year
- Non-linearity : Less than 1 % (up to 2000 W rrf2, maximum radiation measurement is 2000 W m-2)
- Response Time : Less than 1 ms
- Field of View : 180°
- Spectral Range : 360 to 1120 nm (wavelengths where response is 10 % of maximum)
- Directional (Cosine) Response : ± 5 % at 75 * zenith angle
- Temperature Response : 0.04 ±0.04% per C
- Operating Environment : -40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m
- Dimensions : 24 mm diameter, 33 mm height
- Mass : 90 g (with 5 m of lead wire)
- Warranty : 4 years against defects in materials and workmanship
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