EN 61689:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ultrasonics - Physiotherapy systems - Performance requirements and methods of measurement in the frequency range 0,5 MHz to 5 MHz
01-07-1997
22-11-1996
This standard specifies : - methods of measurement and characterization of the output performance of ultrasonic physiotherapy equipment based on reference testing methods; - characteristics to be declared by manufacturers of ultrasonic physiotherapy equipment based on reference testing methods; - requirements for performance and safety of the ultrasonic field generated by ultrasonic physiotherapy equipment; - methods of measurement and characterization of the output performance of ultrasonic physiotherapy equipment based on routine testing methods; - acceptance criteria for aspects of performance of ultrasonic physiotherapy equipment based on routine testing methods. Therapeutic value and methods of use of ultrasonic physiotherapy equipment are not covered by the scope of this standard.
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