The use of a whistle discriminator.
A whistle discriminator is recommended for routine checking of anaesthetic machines, and for the testing of pipelines. It is suggested that this procedure should replace the single hose test.
D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004869:Equipment Safety; D009609:Nitrous Oxide; D010100:Oxygen; D013016:Sound
D009609:Nitrous Oxide; D010100:Oxygen