The SP-214 is an amplified sensor with a 4 to 20 mA 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 to simplify sensor removal and replacement for maintenance and recalibration.
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ISO 9060:2018 Class C (fast response) Power Supply 7 to 24 V DC Current Draw 22 mA maximum; 2 mA quiescent Sensitivity 0.008 mA per W mˉ² Calibration Factor 125 W mˉ² per mA (reciprocal of sensitivity) with an offset of 4 mA Calibration Uncertainty at 1000 W mˉ² Less than 3 % Calibrated Output Range 4 to 20 mA 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, maximum radiation measurement is 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 30.5 mm diameter, 37 mm height Cable 5 m of shielded, twisted-pair wire with TPR jacket (high water resistance, high UV stability, flexibility in cold conditions), additional cable available Mass (with 5 m of cable) 140 g Warranty 4 years against defects in materials and workmanship Manufactured Made in the USA