This app uses your phones light sensor to give you a quick reading of the foot-candle measurement. The app also includes a reference to the foot-candle guidelines created by OSHA, the ICC as well as a general reference for correct light levels for different working environments.
1) Safety - This app is great for checking that light levels meet minimum safety requirements.
2)Performance- Check to insure appropriate light for an activity to reduce eye strain and increase end user performance.
3) Energy Conservation - Check to see if you large building is using too much light for a given task