The MEDC and FHF range of sounders are suitable for a wide variety
of applications and feature a selection of tone settings and traditional bells.
Sounders are used to warn of potentially dangerous situations or to
relay instructions. In addition the alarms may operate as stand-alone
units or be incorporated into a hazard warning system. A wide
variety of sound output levels and other options are also available.
The sounders output in dB is measured to European standards at 1 metre.