The SP-215 is an amplified, analog sensor with a 0 to 5.0 V output. The sensor incorporates a silicon-cell photodiode with a rugged, self-cleaning sensor housing design, and high-quality cable...

ISO 9060:2018 Class C (fast response) Power Supply 5.5 to 24 V DC Current Draw 300 µA Sensitivity 2.5 mV per W mˉ² Calibration Factor 0.4 W mˉ² per mV (reciprocal of sensitivity) Calibration Uncertainty at 1000 W mˉ² Less than 3 % Calibrated Output Range 0 to 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 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 Mass (with 5 m of cable) 140 g Warranty 4 years against defects in materials and workmanship Manufactured Made in the USA

The SP-510 is an upward-looking thermopile pyranometer with an analog output of 0 to 100 mV. The sensor incorporates a blackbody thermopile detector and acrylic diffuser with a rugged, self-cleaning...

ISO 9060:2018 Class C (fast response) Power Supply Self powered Sensitivity (variable from sensor to sensor, typical values listed) 0.045 mV per W mˉ² Calibration Factor (reciprocal of sensitivity) (variable from sensor to sensor, typical values listed) 22 W mˉ² per mV Calibration Uncertainty at 1000 W mˉ² Less than 3 % Calibrated Output Range 0 to 90 mV Measurement Range 0 to 2000 W mˉ² (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 mˉ² at 80˚ solar zenith Temperature Response Less than 5 % from -15 to 45 C Zero Offset A Less than 2 W mˉ², Less than 10 W mˉ² (heated) Zero Offset B Less than 5 W mˉ² Operating Environment -50 to 80 C, 0 to 100 % relative humidity Heater 780 Ω, 15.4 mA current drain and 185 mW power requirement at 12 V DC Uncertainty in Daily Total Less than 5 % Dimensions 28.7 mm height, 23.5 mm diameter Mass 90 g Warranty 4 years against defects in materials and workmanship Manufactured Assembled in the USA