Our company provides internationally approved and accredited testing, inspection and inspection services to the following standards. 

TS EN ISO 4869-2 Acoustic-Ear protectors-Part 2: Determination of effective a-Weighted sound pressure levels when inserted into ear protectors

TS EN ISO 389-2 Acoustic - Reference zero for calibration of audiometry-related equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and earplugs

TS EN ISO 3822-4 Acoustics- Laboratory tests of noise emissions caused by devices and equipment used in water supply facilities- Part 4: Installation and operating conditions for special devices

TS 9595-1 EN 60645-1Electroacoustic - Hearing aids - Part 1: Pure tone audiometers

TS EN ISO 9921 Ergonomics - Evaluation of voice communication

TS ISO 1996-2 Acoustics - Description, measurement and evaluation of environmental noise - Part 2: Determination of environmental noise levels

TS EN 60645-7 Electroacoustic - Hearing aids - Part 6: Instruments for the measurement of otoacoustic emissions

TS EN 60645-6 Electroacoustic - Hearing aids - Part 7: Instruments for measuring the response of sound to the brain

TS EN ISO 8253-3 Acoustics - Audiometric test methods - Part 3: Speech audio audiometry

TS EN ISO 22868 Forest and horticultural machinery - Noise test code for hand-held machines with internal combustion engines - engineering method (accuracy 2)

TS EN ISO 9612 Acoustics - Determination of exposure to noise in the working environment - Engineering method

TS EN ISO 17624 Acoustics - Guidance on noise control with acoustic curtains in offices and study rooms (ISO 17624: 2004)

TS EN ISO 14257 Acoustics - Measurements to determine the spatial sound distribution curves to evaluate the acoustic performance of the study rooms and parametric description of the spatial sound distribution curves

Reference EN-ISO 389-3 Reference zero for calibration of acoustic-audiometric devices 3: Reference equivalent threshold levels for pure tones and bone vibrators

389-7 / A1 Acoustic - Reference zero for calibration of audiometric equipment - part 7: Reference hearing threshold under free and scattered listening conditions - Amendment 1: 20 Hz and 18 Hz and dispersed at 000 Hz under free listening conditions Reference hearing threshold at 20 Hz under field listening condition

TS EN ISO 7029 Acoustics - Statistical distribution of hearing thresholds as a function of age and gender

TS EN ISO 389-3 (Formerly: TS ISO 389-3) Reference zero for calibration of acoustic-audiometric devices Part 3: Reference equivalent threshold strength levels for pure tones and bone vibrators

ISO EN ISO 389-4 Acoustics - Reference levels for calibration zero reference narrowband noise marking section 4:

TS EN ISO 389-6 Zero reference for calibration of acoustic-audiometric equipment-Hearing threshold for short-term test signals

TS EN ISO 389-9 Reference zero (0) section for calibration of acoustic-audiometric equipment 9: Preferred test conditions for the determination of reference hearing threshold levels

TS ISO 389-3: 1997 / T1 (Number modified, TS EN ISO 389-3) Reference zero for calibration of acoustic-audiometric devices Zero-Part 3: Reference equivalent threshold strength levels for pure tones and bone vibrators

TS EN ISO 389-7 Acoustics - Reference zero for the calibration of audiometric equipment - part 7: Reference hearing threshold under free and scattered listening conditions

TS EN ISO 389-5 Reference zero for calibration of acoustic audiometry-related equipment Part 5: Reference equivalent threshold sound pressure levels for pure tones in the 8 khz- 16 khz frequency range

ISO EN ISO 389-8 Acoustics - Reference zero for audiometric hardware calibration - Part 8: Reference equivalent threshold sound pressure levels for pure tones and earbuds

TS 2607 ISO 1999 Acoustics - Determination of exposure to workplace noise and estimation of hearing loss caused by this noise

TS 9315 ISO 1996-1 Acoustics - Description, measurement and evaluation of environmental noise - part 1: Basic quantities and evaluation procedures

TS 9315 ISO 1996-1 / T1 Acoustics - Description, measurement and evaluation of environmental noise - Part 1: Basic quantities and evaluation procedures

TS 9595-2 EN 60645-2 Audiometers- Part 2: Equipment for speech audiometry

tst ISO 9612 Principles for measuring and evaluating exposure to noise in an acoustic operating environment

TS EN ISO 9612 Principles for the measurement and evaluation of exposure to noise in an acoustic operating environment

TS ISO 1996-2 / T1 Acoustics - Description, measurement and evaluation of environmental noise - Part 2: Determination of environmental noise levels

TS EN ISO 11690-1 Acoustics - Recommended practice for the design of low-noise workplaces with machinery - Part 1: Noise control strategies

TS EN ISO 11690-2 Acoustics - Recommended application for the design of workplaces with low noise levels in the machine part 2: Noise control measures

TS EN ISO 11690-3 Acoustics - Recommended practice for the design of workplaces with low noise levels in the machine - Part 3: Sound emission and noise estimation in work rooms

TS EN ISO 17624 Acoustics - Guidance on noise control in offices and work environments through acoustic screens