The measurable temperature is from minus 40 degrees to 80 degrees, humidity is from 5 percent to 90 percent. The measurement interval can be set from 1 minute to 255 minutes.

It’s more like a wet-bulb temperature of 31C (88F). That would equal 31C at 100% humidity or 38C (100F) at 60% humidity. Similar to the National Weather Service’s heat index chart, this chart ...

The parchment and iron key were placed in 95% relative humidity (RH) to simulate a damp environment for 21 days. Photographs were taken every 10 minutes. [A graph appears, showing conditions for the ...

The Hindu explains the concept of relative humidity, why it matters, what it implies physically, how to measure it, and why the wet-bulb temperature matter. Subscribe now to read the full explainer.