Comparing the difference in temperature between wet and dry bulb thermometers has long been the most accurate method of calculating relative humidity.
The wet bulb thermometer comes complete with a length of cotton tubing which acts as a wick between the reservoir and the thermometer and covers the humidity range between 40% to 100%.
Ordered chook food on Friday 15/03 and delivered today. Brilliant service.
18/03/2019 by Joss
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