Specification for dimensions of plugs for hearing aids
€281.00
Method of measuring noise from machine tools excluding testing in anechoic chambers
€201.00
Hearing aids Method for measurement of characteristics hearing with induction pick-up coil input
€172.00
Hearing aids Methods for measurement of electroacoustical characteristics hearing with automatic gain control circuits
Hearing aids Specification for magnetic field strength in audio-frequency induction loops hearing aid purposes
€85.00
Hearing aids Specification for symbols and other markings on hearing related equipment
Method for the measurement of noise emitted by motor vehicles
Methods for testing and rating fan coil units, unit heaters coolers Acoustic performance; without additional ducting
Methods for testing and rating fan coil units, unit heaters coolers Acoustic performance; with ducting
Universal Decimal Classification. English full edition Technical acoustics. Musical instruments. Engraving and sculpting machines
Specification for octave and one-third octave band-pass filters
Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry
€80.00
Specification for the calibration of hydrophones
€370.00
Specification for hydrophones for calibration purposes
Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
€99.00