Extech HT30 Digital Hygrometer, ±3 Accuracy, +80°C Max, 100%RH Max

The FLIR Heat Stress WBGT Meter considers the effects of temperature, humidity and direct or radiant sunlight. Its heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat. The Black Globe Temperature (TG) monitors the effects of direct solar radiation on an exposed surface.

Auto Power Off with override
Selectable units of °F and °C