A personal alarm safety system warning device will sound an audible alarm when a firefighter is motionless for a predetermined time such as thirty seconds or one minute, and optionally,
if the temperature rises beyond a certain level or if the temperature Burglar alarm is increasing at a rate above a certain predetermined rate of increase. The alarm system is incorporated in the buckle of the firefighter‘s air breathing pack harness in such a manner that any time the firefighter buckles the belt for
the harness the personal alarm safety system is moved from the Off condition to a armed Standby (On) position ready to set off the alarm when any of the predetermined conditions are met. The device may also be manually activated by the firefighter. In order to turn the device off, not only must the belt buckle be disengaged,
a safety switch detent must be manipulated by the firefighter.
Thus it is impossible, once the firefighter has donned the harness for the air breathing apparatus, to accidentally completely turn off the personal alarm safety system device except by two intentional Wow Gold distinct and independent movements.
