The SP-110 is a self-powered, analog sensor with a 0 to 400 mV output. The sensor incorporates a silicon-cell photodiode with a rugged, self-cleaning sensor housing design, and high-quality cable terminating in pre-tinned pigtail leads for easy connection to dataloggers and controllers. 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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ISO 9060:2018 Class C (fast response) Power Supply Self-powered Sensitivity 0.2 mV per W mˉ² Calibration Factor 5 W mˉ² per mV (reciprocal of sensitivity) Calibration Uncertainty at 1000 W mˉ² Less than 3 % Calibrated Output Range 0 to 400 mV Measurement Repeatability Less than 1 % Non-stability (Long-term Drift) Less than 2 % per year Non-linearity Less than 1 % (up to 2000 W mˉ²) 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 (with 5 m of cable) 90 g Warranty 4 years against defects in materials and workmanship Manufactured Made in the USA