The term "arrangements" may cover also devices peculiar thereto.
The mere provision of an audible or visible signalling device on measuring or switching apparatus is not included.
This sub-class includes also means for identifying or incapacitating burglars or the like.
Alarm arrangements for indicating that a specific variable has exceeded, or fallen below, a predetermined value are classified in the relevant sub-classes of class Fulltext... Hierarchy... Expanded...G01 for the measurement of that variable.
Alarms for specific processes or types of machines or apparatus are classified in the relevant sub-classes for the processes, machines, or apparatus.