Heat Stress: |
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Does the Kestrel measure WBGT?
No. "Wet Bulb Globe Temperature" requires use of a large (heavy) black brass globe and a naturally aspirated wet bulb, neither of which can be accurately replicated in a small handheld device.
Numerous Kestrel models display the NWS Heat Stress Index as well as the Web Bulb Temperature.
These values, combined with a common sense evaluation of the impact of the sun, provide excellent guidance on the dangers of heat stress or exhaustion and the need for hydration.
What is Heat Stress, and how does it affect me?
Heat Stress is the combination of air temperature and humidity that gives a description of how the temperature feels. This is not the actual air temperature. For example, if the air temperature is 90 degrees Fahrenheit and the relative humidity is 55% then the air will feel like it is 97 degrees.
Does Heat Stress affect livestock differently than people?
Actually, it does. The chart below from Iowa State University Department of Agriculture and Biosystems Engineering outlines the levels at which heat stress can threaten cattle. Charts for other animals can be found on their website.
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Kestrel 1000
