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DR01/DR02 First class pyrheliometer

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Hello the NRG,


I have DR01/DR02 first class pyrheliometer. In the manual, They have analogue millivolt output which can be used in conjunction with the SymphoniePro. Please see the manual at attached file


I am not sure when i connect the DR01/DR02 to  SymphoniePro, the measurement is good or not good. 


Please share your experience with me ?


Thank you very much



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Hello Vinhquyen,


Thank you for your message.


The output of the sensor will be in W/m^2. Below are two examples of how the output of a Direct Normal Irradiance (DNI) pyrheliometer sensor in relation to a fixed pyranometer.


Please note that the pyrheliometer in this example is a CHP-1 (green line) and the pyranometer is a CMP22 (red line). Although the sensor brand may be different, you would expect to see similar profile with a pyrheliometer and a pyranometer.






Data exported from: https://www.nrel.gov/midc/srrl_bms/.


Please let me know if you have any questions.



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