Electroacoustics - Sound level meters - Part 1: Specifications
€91.00
Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
€96.00
BS EN IEC 61669/AMD1 Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
€24.00
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
€40.00
ELECTROTECHNICAL VOCABULARY. ACOUSTICS AND ELECTROACOUSTICS.
€47.00
Hearing aids - Part 1: Hearing aids with induction pick-up coil input
€28.00
SOUND LEVEL METERS.
€76.00
MEASUREMENT MICROPHONES. PART 1: SPECIFICATIONS FOR LABORATORY STANDARD MICROPHONES.
€62.00
Medical electrical equipment -- Part 2-37: Particular requirements for the safety of ultrasonic medical diagnostic and monitoring equipment
€69.00
Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids
€89.00
€115.00
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
€83.00
Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
€60.00
BS EN IEC 62127-3:/A1 Amendment 1 - Ultrasonics Hydrophones Part 3: Properties of hydrophones for ultrasonic fields
