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YY/T 1090-2018 English PDF (YYT1090-2018)

YY/T 1090-2018 English PDF (YYT1090-2018)

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YY/T 1090-2018: Ultrasonic physiotherapy equipment
This Standard specifies the requirements, test methods and inspection rules of ultrasonic physiotherapy equipment. This Standard is applicable to ultrasonic physiotherapy equipment, which generates continuous wave or quasi-continuous wave ultrasonic energy through planar circular ultrasonic transducer within the frequency range of 0.5 MHz ~ 5 MHz. This Standard is not applicable to equipment whose effective sound intensity is more than 3 W/cm2, or equipment which adopts focused ultrasound.

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