General Tools Hand-held Heat Stress Monitor #WBGT8758, 32° to 122° F, 0 to 100% RH, 35 x 40 mm Brass Black Ball

MONITOR HEAT CONDITIONS: Determines true heat stress temperature by accounting for air currents, relative humidity and solar load in addition to air temperature and relative humidity. | MEASURES: WBGT (Wet Bulb Globe Temperature); TG (Globe Temperature); TA (Air Temperature); % (Relative Humidity). | WET BULB (WB) RANGE: 70 to 115 Deg F (21 to 45 Deg C). | DEW POINT RANGE: 32 to 140 Deg F (0 to 60 Deg C). | AUDIBLE: Beeper alarm for heat stress monitoring with adjustable setpoint.