IEC 62127-2-2007
超音波学.水听器.第2部分:超音波场小于40MHz的校准

Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields up to 40 MHz

标准号

IEC 62127-2-2007

发布日期

2007年08月

实施日期

废止日期

无

中国标准分类号

L31

国际标准分类号

17.140.50

发布单位

IX-IEC

引用标准

IEC 60050-801-1994 IEC 60565 IEC 61161-2006 IEC 61828-2006 IEC 62127-1 IEC 62127-3

被代替标准

IEC 87/353/CDV-2006 IEC 60866-1987 IEC 61101-1991 IEC 61102-1991 IEC 61102 AMD 1-1993 IEC/TR2 61220-1993 IEC 62092-2001

适用范围

This part of IEC 62127 specifies: • absolute hydrophone calibration methods; • relative (comparative) hydrophone calibration methods. Recommendations and references to accepted literature are made for the various relative and absolute calibration methods in the frequency range covered by this standard. This standard is applicable to • hydrophones used for measurements made in water and in the ultrasonic frequency range up to 40 MHz; NOTE 1 Although some physiotherapy medical applications of medical ultrasound are developing which operate in the frequency range 40 kHz to 100 kHz, the primary frequency range of diagnostic imaging remains above 2 MHz. It has recently been established that, even in the latter case, the hydrophone response at substantially lower frequencies can influence measurements made of key acoustic parameters [1]. • hydrophones employing circular piezoelectric sensor elements, designed to measure the pulsed wave and continuous wave ultrasonic fields generated by ultrasonic equipment; NOTE 2 Some hydrophones can have non-circular active elements, arising from slight deviations from a circular structure caused, for example by electrode structure, or conversely, the active elements can actually be squares. The clauses within this standard remain valid, although, in these cases, special attention should be paid to the directional response and to the effective radii of the active element through various axes of rotation. • hydrophones with or without a hydrophone pre-amplifier.

IEC 62127-2-2007系列标准

谁引用了IEC 62127-2-2007 更多引用