Specification for measurement microphones. Primary method pressure calibration of laboratory standard microphones by the reciprocity technique
€316.00
Specification for measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0.5 MHz to 15 MHz
€374.00
Textile machinery acoustics. Determination of sound pressure levels and sound power levels emitted by textile machines. Engineering and survey methods
€269.00
Acoustics. Determination of sound power levels noise sources. Engineering methods for small, movable sources in reverberant fields Comparison hard-walled test rooms
Acoustics. Preferred reference quantities for acoustic levels
€165.00
Industrial-process control valves. Noise considerations Prediction of noise generated by hydrodynamic flow
€193.00
Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
Hearing aids Methods for measurement of the performance characteristics hearing quality inspection on delivery
Hearing aids Methods for measurement of electroacoustical characteristics
Specification for normal equal-loudness level contours for pure tones under free-field listening conditions
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
Chain saws Method of measurement airborne noise at the operator's position
€95.00
Sound power levels of noise sources Survey method for determination sound using a reference source
Method for preparation of test codes of engineering grade for measurement at the operator's or bystander's position of noise emitted by machinery
Specification for characteristics and calibration of hydrophones for operation in the frequency range 0.5 MHz to 15 MHz