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AS/NZS 4188:1994 Ultrasonics - Continuous-wave Doppler systems - Test procedures (Reconfirmed 2022)
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Describes test methods for measuring the performance of continuous-wave ultrasonic Doppler flowmeters, velocimeters, or foetal heart detectors. It also describes special Doppler test objects for determining performance properties of Doppler ultrasonic systems. It is identical with and reproduced from IEC 1206:1993.