These illuminators (photo) use an array of bright LEDs that shine on the gage’s magnetic flag indicators to provide high contrast visibility in no-light or low-light conditions. The illuminators are not angle dependant, increasing user readability. The unit’s LEDs have a nominal life of ten years. These illuminators are also approved for use in Class 1, Div. 1 classified applications. — Clark-Reliance Corp., Strongsville, Ohio