YY/T 1085-2007 in English

本标准规定了毫瓦级超声源的术语和定义、分类、要求及试验方法。
本标准适用于用作医用超声功率标准的毫瓦级超声源。
该声源由超声换能器和激励源组成，是一种稳定的、已知输出超声声功率的声源。
该声源主要用于超声测量实验室对超声声功率测量装置和水听器测量系统有效性的日常比对和核查。

Scope

This standard specifies the terms and definitions, classification, requirements and test methods of milliwatt ultrasonic sources. This standard applies to milliwatt-level ultrasonic sources (hereinafter referred to as sound sources) used as medical ultrasonic power standards. The sound source consists of an ultrasonic transducer and an excitation source. It is a stable sound source with a known output of ultrasonic sound power. This sound source is mainly used in the ultrasonic measurement laboratory for daily comparison and verification of the effectiveness of ultrasonic sound power measurement devices and hydrophone measurement systems.