Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 61161:1992); German version EN 61161:1994
€63.27
Measurement microphones; part 2: primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:1992); German version EN 61094-2:1993
€84.58
Electroacoustics; specifications for personal sound exposure meters; identical with IEC 61252:1993
€69.91
Hearing aids; part 7: measurement of the performance characteristics of hearing aids for quality inspection for delivery purposes (IEC 60118-7:1983 + IEC 118-7 AMD 1:1994); German version EN 60118-7:1993 + A1:1994.
Sound level meters (IEC 60651:1979 + A1:1993); German version EN 60651:1994 + A1:1994
Integrating-averaging sound level meters (IEC 60804:1985 + A1:1989 + A2:1993); German version EN 60804:1994 + A2:1994
€77.20
Hearing aids - Part 2: Hearing aids with automatic gain control circuits - measurements using broad band input signal (IEC 29(Secretariat)276:1994)
Acoustic - Preferred frequencies; identical with ISO/DIS 266:1994
€34.30
Measurement microphones - Part 1: Specifications for laboratory standard microphones (IEC 61094-1:1992 + Corrigendum 1993); German version EN 61094-1:1994
€56.17
Method of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 84(Secretariat)362:1994)
Additional requirements for the extension of the precision sound level meter to an impulse sound level meter
€24.39
Precision sound-level-meter
€41.78
Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz (IEC 62127-1:2007); German version EN 62127-1:2007, Corrigendum to DIN EN 62127-1:2008-06.
Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields up to 40 MHz (IEC 62127-2:2007); German version EN 62127-2:2007, Corrigendum to DIN EN 62127-2:2008-06.
Sound system equipment: Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 2: Matching of sets with headphones if either or both are offered separately; German version prEN 50332-2:2002
€48.79
