With the variety of refrigerants a technician can encounter, remembering all the different acceptable system pressures can be difficult or even overwhelming. To make this task more manageable, think ...

Manufacturers of refrigerants, controls, and other suppliers distribute hundreds of thousands of pressure-temperature charts to the trade every year. It would be rare indeed to find service ...

A dual resonator graphene sensor measures pressure with exceptional precision and stability, using built-in temperature ...

After writing a blog post about leaking temperature and pressure relief (TPR) valves at water heaters, I learned that this particular issue seems to completely befuddle folks. In the two years that I ...

Calculations of atmospheric refraction are generally based on a simplified model of atmospheric density in the troposphere that assumes the temperature decreases at a constant lapse rate L from sea ...