EXTECH HT30 Heat Stress Monitor,32 to 122 Degrees F

Heat Stress Monitor, Relative Humidity Range 0 to 100 Percent, Humidity Accuracy +/-3 Percent, Temp. Range (F) 32 Degrees to 122 Degrees , Temp. Accuracy (F) +/-1.8 Degrees , Wet Bulb Temperature Range 32 Degrees to 122 Degrees F, Wet Bulb Globe...