Ultrasonics. Real-time pulse-echo systems. Guide for test procedures to determine performance specifications Ingestion-build-239834 Measurement of visibility by divers

Measurement of visibility by divers in a destined depth

BS EN 61176 on methods for measuring the performance of hand-held electric mains voltage operated circular saws is useful for:

With obedience and compliance to BS 770-1

the intention is to revise this document and to introduce such a classification scheme

Ultrasonics. Real-time pulse-echo systems. Guide for test procedures to determine performance specifications Ingestion-build-239834 Measurement of visibility by divers1 Scope This technical report describes methods of measuring the performance of real time medical ultrasonic imaging equipment in the frequency range 0,5 MHz to 15 MHz. This report is relevant for real time ultrasonic scanners based on the pulse echo principle, for the types listed below: mechanical sector scanner; electronic phased array sector scanner; electronic linear array scanner; electronic curved array sector scanner; water bath scanner based