The new DR02 Pyrheliometer and SR03 Pyranometer sensor models from Hukseflux (for DNI, GHI, POA, and Diffuse solar irradiance measurement) represent the next evolutionary step in thermopile solar sensing technology. Unlike competing ISO-9060 solar sensor models, which are slow and limited by comparison in response time, the latest DR02/SR03 sensor models feature a blistering one-second (95%) response time, enabling PV and CPV performance monitoring that’s synchronous and well correlated to the real-time solar resource. Also well suited for solar thermal and routine meteorological measurement applications, additional DR02/SR03 performance benefits include no tilt dependency effect, <1% temperature dependence, full solar spectral response, low-power 1.6 watt heater for optics anti-soiling, and excellent long-term stability 

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