WBGT — Indoor (no solar load)

WBGT — Indoor (no solar load)

HS-02
ASPCSPFoundational

Formula
WBGT = 0.7WB + 0.3GT
When to Use

Calculate heat stress index for workers indoors or shaded from direct sunlight.

Symbol Legend
SymbolMeaningUnitNote
WBGTWet Bulb Globe Temperature Index°C
WBNatural Wet Bulb Temperature°CWeighted 70%
GTGlobe Temperature°CWeighted 30% — DB not used without solar load

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