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.
