I.S. EN IEC 61828:2021
Current
The latest, up-to-date edition.
Ultrasonics - Transducers - Definitions and measurement methods regarding focusing for the transmitted fields
Hardcopy , PDF
English
02-22-2021
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Independent measurement of total acoustic output power
6 Acoustic field measurement: equipment
7 Measurement procedure
Annex A (informative) Background for the transmission/ Characteristics of focusing transducers
Annex B (informative) Rationale for focusing and nonfocusing definitions
Annex C (informative) Methods for determining the beam axis for well-behaved beams
Annex D (informative) Methods for determining the beam axis for beams that are not well behaved
Annex E (informative) Uncertainties
Annex F (informative) Transducer and hydrophone positioning systems
Annex G (informative) Planar scanning of a hydrophone to determine acoustic output power
Annex H (informative) Properties of water
Bibliography
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