Standard No.:	YY/T 0865.2-2018
English Name:	Ultrasonics―Hydrophones―Part 2:Calibration for ultrasonic fields up to 40 MHz
Chinese Name:	超声 水听器 第2部分：40MHz以下超声场用水听器的校准
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:	National Medical Products Adminstration
Issued on:	2018-12-20
Implemented on:	2020-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	35000 words
Price(USD):	1050.00
Delivery:	via email in 1~10 business day

本标准规定了水听器的绝对校准方法；水听器的相对（比较）校准方法。对本标准所覆盖频率范围内的各种相对和绝对校准方法提出了建议，并列出了可供参考的文献。本标准适用于在水中且在40MHz以下频率范围内测量所用的水听器。