To help teachers identify if a classroom door is locked without opening the door, Von Duprin of Carmel, Ind., an Ingersoll Rand company, releases a new visual status indicator option for its 98/99 Series Rim exit devices that provides at-a-glance verification of the locked/unlocked status of the door.
The indicator is available in two options, either keyed inside or thumb-turned, to provide quick visual door security assessment, according to the company. The thumb-turn option uses a 180° thumb-turn rotation.
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