"This," Elena said, tapping the paper, "is the Psychrometric Chart. It looks scary, but it tells you everything you need to know about the 'personality' of the air. It tells you if the air is hot, sticky, dry, or heavy."
"So what do we do?"
Many quick tutorials stop at finding dew point and wet-bulb. They (the nearly-parallel diagonals), which are critical for calculating cooling coil loads. Without enthalpy, you can’t size equipment. how to use a psychrometric chart
She handed Marcus a digital psychrometer. "First, take a reading." "This," Elena said, tapping the paper, "is the
(measured with a standard thermometer). Relative Humidity (measured with a hygrometer). " Elena said