Door closer responds to fire alarm noise

A fire-door closer that ‘learns’ the sound of a specific fire alarm has been introduced by Geofire. Agrippa can be retrofitted to any door, and does not require cabling; two C cell batteries last for 12 months. These door closers provide a legal answer to holding open fire doors to ease access. These closers are swing-free, making the door light to handle.

Closing speed is adjustable. The holding angle is 65 to 105°, and the doors can be programmed for daily release.

Features include an LED display, manual release buttons and a low-battery warning.

For more information on this story, click here: Oct 2014, 163
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