Which of the following is NOT a requirement for medical gas alarms?

Medical gas alarms are essential safety devices used in healthcare settings to monitor and alert personnel about the status of medical gas systems. The requirement that alarms must be located in a patient room is not a standard requirement, as alarms are typically installed in areas such as master control panels or central monitoring locations. This allows staff to oversee multiple patient rooms and respond appropriately, rather than relying solely on an alarm that may not be accessible or heard in all situations.

Alarms must be audible to ensure that healthcare professionals can hear them and respond quickly in case of a gas supply issue. Additionally, having a connection to a master panel allows for centralized monitoring of all alarms throughout the facility, enabling comprehensive oversight of the medical gas system. Battery backup is crucial to ensure that alarms remain operational during power outages, further protecting patient safety by ensuring alerts are still provided even when the main power supply fails. Thus, while all the other options are crucial requirements, the necessity for alarms to be located specifically in a patient room is not mandated.