Psychrometrics (or psychrometry, from Greek ψυχρόν (psuchron) 'cold' and μέτρον (metron) 'means of measurement'; [1][2] also called hygrometry) is the field of engineering concerned with the physical …

A convenient, precise and customizable psychrometric chart & calculator tool for HVAC engineers. Support IP and SI units.

Jul 10, 2025 · You’re not alone. But today, we’re going to break it down simply—no fancy math, just real-world HVAC understanding. You’ll learn how to read a psychrometric chart and use it to solve a basic …

Psychrometric chart to analyze air properties, including temperature, humidity, enthalpy, and dew point at barometric pressure 29.921 inches of Mercury and temperature ranging 20 o F to 120 o F. The …

The psychrometric chart is a diagram explaining the relationships between seven air properties, namely dry bulb temperature, wet bulb temperature, relative humidity, humidity ratio, specific volume, and …

This program includes ASHRAE Psychrometric Charts 1 through 5 in I-P units and Charts 1 through 7 in SI units. The program allows the user to plot typical psychrometric processes and perform the …

The Psychrometric Chart—also known as the Mollier Diagram—allows you to visualize and calculate the thermodynamic properties of humid (moist) air.” In this tool you can draw processes and analyse the …

Psychrometric charts are an aid to understand the properties of air. The science of air-water interactions is called psychrometrics, which is the measurement of thermodynamic properties in moist air.

Psychrometrics is a fundamental concept in the field of thermodynamics that deals with the properties of moist air. By studying psychrometrics, engineers, meteorologists, and HVAC professionals gain …

Bundled up from head to toe, George had to venture out in some of the most extreme conditions ever recorded holding a sling psychrometer in her hand, which is the technique the observatory has used …