Electronic hearing aids. General specifications
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Noise meters Part 1 Technical requirements
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Domestic radioelectonic equipment. Methods of electro acoustic parameters measurement
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Ultrasonic magnetostrictive transducers
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Determination and application of accuracy indicators for methods of testing of petroleum products
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State system of ensuring the uniformity of measurement. Measuring condenser microphones. Methods and means of verification
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State system for ensuring the uniformity of measurements. 'Artificial ear'-type measuring instruments. Methods and means of verification
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State system for ensuring the uniformity of measurements. Sound level meters. Calibration methods
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Characteristics and calibration of hydrophones for operation in the frequency range 0,5 MHz to 15 MHz
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State system for ensuring the uniformity of measurements. Sound level meters. Part 3. Verification procedure
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Electroacoustics. Hearing aids. Part 13. Requirements and methods for measuring immunity to electromagnetic interference from mobile digital wireless devices
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