Call for the nomination of a Co-Convenor to IEC/TC 87/WG 9

Result of Voting on 87/708/CDV - IEC 60565-1 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones, Part 1: Procedures for free-field calibration

Review Report of IEC TS 63001 ED1: Measurement of cavitation noise in ultrasonic baths and ultrasonic reactors

Unconfirmed minutes of the meeting held in Shanghai/China, on 25 October 2019 (starting time: 09.00 h) (approximate finishing time: 16.00 h)

Meeting documents - Plenary meeting held in Shanghai, China on 25 October 2019

Revised draft agenda for the meeting to be held in Shanghai/China, on 25 October 2019 (starting time: 09.00 h) (approximate finishing time: 16.00 h)

Replaced by 87/719B/DA

Result of Voting on 87/699/CDV - IEC 61828 ED2: Ultrasonics - Focusing transducers - Definitions and measurement methods for the transmitted fields

WG 14 Convener’s Report

Report of liaison between IEC TC87 and ISO TC43 SC3 (Underwater Acoustics), 2019

WG 7 Convenor’s report

WG 9 Convenor’s report

WG15 Convenor's Report for IEC TC87: 13th September 2019

WG 8 Convenor’s report

Result of Voting on 87/699/CDV - IEC 61828 ED2: Ultrasonics - Focusing transducers - Definitions and measurement methods for the transmitted fields

Result of Voting on 87/718/DTS - IEC TS 63081 ED1: Ultrasonics - Methods for the characterisation of the ultrasonic properties of materials.

Review of Active Participation of P-members in the Work of TC 87

TC 87 Stability date of publications (38)

Result of Voting on 87/720/FDIS - IEC 60565-2 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration

IEC TC62 Liaison Report to IEC TC87 Plenary 25 October, 2019, Shanghai CN

IEC 63045 ED1: Ultrasonics - Non-focusing pressure pulse sources - Characteristics of fields

IEC 60565-2 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration

Draft agenda for the meeting to be held in Shanghai/China, on 25 October 2019 (starting time: 09.00 h) (approximate finishing time: 16.00 h)

IEC TS 63081 ED1: Ultrasonics - Methods for the characterisation of the ultrasonic properties of materials.

Compilation of Comments on 87/703/CD - IEC 63045 ED1: Ultrasonics - Non-focusing pressure pulse sources - Characteristics of fields

Compilation of Comments on 87/701/CD - IEC TS 63081 ED1: Ultrasonics - Methods for the characterisation of the ultrasonic properties of materials.

Result of Questionnaire on 87/713/Q: Changing document type from TS to TR for IEC TS 61390

Corrected result of Voting on 87/705/CDV - IEC 63009 ED1: Ultrasonics - Physiotherapy systems - Field specifications and methods of measurement in the frequency range 20 kHz to 0.5 MHz

Replaced by 87/714A/RVC

Changing document type from TS to TR for IEC TS 61390

IEC 60565-1 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones, Part 1: Procedures for free-field calibration

Compilation of Comments on 87/706/CD - IEC 62127-1 ED2: Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz

Review report of IEC 62127-3:2007 ED1: Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz

Compilation of Comments on 87/703/CD - IEC 63045 ED1: Ultrasonics - Non-focusing pressure pulse sources - Characteristics of fields

Compilation of Comments on 87/704/CD - IEC TS 61390 ED2: Ultrasonics - Real-time pulse-echo systems - Test procedures to determine performance specifications

Result of Voting on 87/674/CDV - IEC 60565-2 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones, Part 2: Procedures for low frequency pressure calibration

Compilation of Comments on 87/683/CD - IEC 60565-1 ED1: Underwater acoustics - Hydrophones - Calibration of hydrophones, Part 1: Procedures for free-field calibration