ISO 7494-2:2015规定了有关的要求和测试方法 a）牙科设备连接到压缩空气供应，供水，抽吸供应和废水排放管道的配置， b）牙科单元内的压缩空气和水系统的材料，设计和构造， c）进水和空气的质量，以及 d）牙科单元抽吸系统的性能。 ISO 7494-2:2015还规定了使用说明和技术说明的要求。 ISO 7494-2:2015仅限于不用于生活支持治疗门诊患者或需要无菌空气和水源的口腔手术治疗的牙科单位。汞合金分离器不包括在ISO 7494-2:2015中

ISO 7494-2:2015 specifies requirements and test methods concerning a) the configuration of dental unit connections to the compressed air supply, water supply, suction supply, and wastewater drain plumbing, b) the materials, design, and construction of the compressed air and water system within the dental unit, c) the quality for incoming water and air, and d) the performance of dental unit suction system. ISO 7494-2:2015 also specifies requirements for instructions for use and technical description. ISO 7494-2:2015 is limited to dental units that are not used for life support treatment of ambulatory patients or for oral surgery treatment requiring sterile air and water supplies. Amalgam separators are not included in ISO 7494-2:2015.