Standard No.:	YY/T 1085-2007
English Name:	Ultrasonic sources at milliwatt levels
Chinese Name:	毫瓦级超声源
Chinese Classification:	C41    Medical ultrasound, laser, high-frequency instrument and equipment
Professional Classification:	YY    Professional Standard - Pharmaceutics
ICS Classification:	11.040.50 11.040.50    Radiographic equipment 11.040.50
Issued by:	China Food and Drug Administration
Issued on:	2007-01-31
Implemented on:	2008-1-1
Status:	valid
Superseding:	YY/T 91085-1999 Ultrasonic sources at milliwatt levels
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

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。