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Converting Volt to Lux using a solarimeter

  1. Jan 12, 2012 #1
    1. The problem statement, all variables and given/known data

    Hello,

    I'm trying to use a solarimeter (thermopile) to measure the direct flux of solar radiation, in clear conditions, over varying solar zenith angles. The equipment has an output of volts, but I need to convert this to Lux and then convert this to watts per meter squared.

    How can I go about doing this as my light source has a mix of different wavelengths?
    I have also read that I can calculate the number of lumens per watt by using the luminosity function, but how could I get Watts per meter squared from this?

    Thank you.
     
  2. jcsd
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