Psychrometers are not common in greenhouses or kitchens, and they are more common for use in wild firefighting and for detecting danger and the potential for a fire.
Psychrometers determine relative humidity by measuring the temperature difference between two thermometers, one wet and one dry. Strain gauges or piezoresistive elements measure the expansion of ...
Plus, the equipment. “We use lots of tools like refractometers and psychrometers,” he said. The coffee that got him the trophy is unfortunately not the same coffee his customers drink.