Psychrometric Chart Specific Volume -

Imagine you have a room with a dry-bulb temperature of and a relative humidity of 50% . Find 75°F on the bottom horizontal axis. Move up until you hit the 50% RH curve. Look for the nearest diagonal specific volume lines .

Specific volume is the reciprocal of density ( ). If you know the specific volume is , the density is How to Identify Specific Volume Lines on the Chart psychrometric chart specific volume

$$ \nu = 0.86 , \textm^3/\textkg $$