I guess this light meter is more about optimal lighting (to prevent over-exposure) - your situation, Anthanasius, isn't likely to suffer from that sort of problem. However, the whole inverse square law principle as outlined by BagginsBill would make your lighting far more realistic because of the way the light decays coming away from the candle...

Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2

Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand] 

Metaphor of Chooks