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First Class Pyrheliometer

The DR01 is a research grade normal incidence direct solar irradiance sensor (also known as a pyrheliometer). Suitable for tracker mounted operation, the DR01 is intended for short-wave direct solar irradiance measurement of the sun. The DR01 is a “First Class” compliant pyrheliometer, as per the latest ISO and WMO standards.

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The DR01 is a research grade normal incidence direct solar irradiance sensor (also known as a pyrheliometer). Suitable for tracker mounted operation, the DR01 is intended for short-wave direct solar irradiance measurement of the sun. The DR01 is a "First Class" compliant pyrheliometer, as per the latest ISO and WMO standards.