General Tools WBGT8778 Handy Heat Index Checker is ideal for industrial uses including HVAC, and outdoor sports medicine applications.
This heat index checker determines true heat stress temperature by accounting for air currents, relative humidity and solar load in addition to air temperature and relative humidity.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
