This Standard is based on AS 3200.1/NZS 6150. As stated in Clause 1.3 of AS 3200.1/NZS 6150, the requirements of this Standard take precedence over those of AS 3200.1/NZS 6150.The Scope and Object given in Clause 1 of AS 3200.1/NZS 6150 applies except that Clause 1.1 shall be replaced by the following: This Standard specifies minimum safety and performance requirements for medical and surgical suction equipment (see Figure 1) in health care facilities such as hospitals, for domiciliary care of patients and for field and transport use. Although equipment may be driven by centrally-powered, piped vacuum systems, compressed gases, electricity or be manually powered for a variety of applications, this Standard addresses only transportable equipment powered electrically.Excluded from this Standard are the following:(a) Central power source (vacuum/compressed air generation), piping systems of vehicles and buildings, and wall connectors.(b) Catheter tubes, drains, curettes and suction tips. (c) Syringes.(d) Dental suction equipment, complying with AS 2686.2.(e) Waste gas scavenging systems.(f) Laboratory suction. (g) Autotransfusion systems. (h) Passive urinary drainage.(i) Closed systems for wound drainage. (j) Gravity gastric drainage.(k) Orally-operated mucous extractors.(l) Suction equipment where the collection container is downstream of the vacuum pump.(m) Equipment marked as suction unit for permanent tracheostomy.(n) Ventouse (obstetric) equipment. (o) Neonatal mucous extractors.(p) Suction equipment marked for endoscopic use only.