Noise test code for portable hand-held forestry machines with an internal combustion engine - Determination of A-weighted emission sound pressure levels at the operator's position, and the A-weighted sound power level - Engineering method (grade 2) (ISO/DIS 22868:2003); German version prEN ISO 22868:2003
€91.03
Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003); German version EN ISO 7235:2003
€134.02
Industrial process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 65B/476/CD:2002)
€98.32
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response (IEC 29/536/CDV:2003); German version prEN 61094-6:2003
€84.58
Acoustics - Measurement of noise emitted by accelerating road vehicles - Engineering method (ISO 362:1998)
€69.91
Hearing aids; magnetic field streng in audio-frequency induction loops for hearing aid puroses (IEC 118-4:1981); german version HD 450.4 S1:1985
€34.30
Acoustics; measurement at the operator's position of airborne noise emitted by chain saws (ISO 7182:1984); german version EN 27182:1991
€41.78
Measurement and assessment of low-frequency noise immissions in the neighbourhood; guidelines for the assessment for industrial plants
Detection of tonal components of noise and determination of a tone adjustment for the assessment of noise immissions
€56.17
Acoustics; test code for the measurement of airborne noise emitted by rotating electrical machinery; part 1: engineering method for free-field conditions over a reflecting plane (ISO 1680-1:1986); german version EN 21680-1:1991
€77.20
Acoustics; test code for the measurement of airborne noise emitted by rotating electrical machinery; part 2: survey method (ISO 1680-2:1986); german version EN 21680-2:1991
Acoustics; determination of sound power levels of noise sources; precision methods for broad-band sources in reverberation rooms (ISO 3741:1988); german version EN 23741:1991
Acoustics; determination of sound power levels of noise sources; precision methods for discrete-frequency and narrow-band sources in reverberation rooms (ISO 3742:1988); german version EN 23742:1991
€63.27
Acoustics; determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room (ISO 5135:1984); german version EN 25135:1991
Acoustics; measurement at the operator's position of airborne noise emitted by brush saws (ISO 7917:1987); german version EN 27917:1991
€48.79
