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DR03 is a high-accuracy direct (normal incidence) solar radiation sensor with a short response time and a relatively small size. The scientific name of this instrument is pyrheliometer. DR03 complies with the first class specifications of the ISO 9060 standard and the WMO Guide. Its fast response time makes DR03 very suitable for PV-related applications. […]
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Besides its short response time, DR03 offers two more distinguishing features with benefits:
DR03 can be connected directly to commonly used data logging systems. The irradiance in W/m2 is
calculated by dividing the instrument output, a small voltage, by the
sensitivity. This sensitivity is provided with DR03 on its product
certificate. DR03 pyrheliometer is optionally equipped with a
temperature sensor and is optionally characterised for its temperature
dependence. This can be used to increase the accuracy of the
measurement.
The pyrheliometer features a precision ground and polished quartz window, a compact sized collimated tube and a thermopile sensor with black coated surface. DR03 also features a thermally isolated low power heater in the window assembly.
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