Joe Bloggs

Chief of Testing

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Building Control Sound Testing Services

At ISVR Consulting we carry out measurements and qualification tests to international, British, proprietary and other standards.

As well as working in our laboratories, we can conduct tests in the field or at clients’ premises.
If you’re not sure what tests you need, or if you would like some help to interpret a particular standard, please contact us. Our consultants will be happy to discuss your requirements and offer advice. We can also work with you to devise test procedures that meet your needs if none currently exist.

Our services include:

  • sound power determination using sound pressure level methods (ISO 3741, ISO 3745, ISO 7779, ECMA-74)
  • sound power determination using sound intensity methods (ISO 9614-1 and ISO 9614-2)
  • measurement of transmission loss and sound reduction index (ISO 10140)
  • measurement of sound absorption (ISO 354, ASTM E1050, ISO 10534)
  • high-intensity fatigue testing (MIL-STD-810, BS 3G 100)
  • noise and vibration tests to Defence Standard 08-123/NES 1004
  • qualitative and quantitative measurements on microphones, loudspeakers and audio equipment
  • measurements of sound levels and noise exposures from radio earpieces and communications headsets
  • measurements of sound levels from headphones and earphones used with portable music players (EN 50332-1; and EN 50332-2)
  • measurements of the insertion loss of hearing protection and flight helmets (ANSI/ASA S12.42-2010)
  • ultrasound measurements
  • seat vibration testing (ISO 10362-1, ISO 10326-2, ISO 7096, ISO 5007 and EN 13490)

A comprehensive list of the most common standards we provide testing for includes:

  • BS EN ISO 3741       Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test room
  • BS EN ISO 3743-1        Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for small movable sources in reverberant fields. Comparison method for a hard-walled test room
  • BS EN ISO 3743-2        Determination of sound power levels of noise sources using sound pressure. Engineering methods for small, movable sources in reverberant fields. Methods for special reverberation test rooms
  • BS EN ISO 3744         Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane
  • BS EN ISO 3745:2012+A1:2017 Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for anechoic rooms and hemi-anechoic rooms.
  • BS EN ISO 7779         Measurement of airborne noise emitted by information technology and telecommunications equipment
  • BS EN ISO 10140-2       Laboratory measurement of sound insulation of building elements. Measurement of airborne sound insulation
  • BS EN ISO 717-1      Rating of sound insulation in buildings and of building elements. Airborne sound insulation
  • BS EN ISO 354       Measurement of sound absorption in a reverberation room
  • BS EN 60704-2         Household and similar electrical appliances. Test code for the determination of airborne acoustical noise
  • BS EN 1793-1          Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of sound absorption under diffuse sound field conditions
  • BS EN 1793-2          Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
  • BS ISO 23351-1       Measurement of speech level reduction of furniture ensembles and enclosures. Laboratory method
  • BS EN ISO 11546       Determination of sound insulation performances of enclosures. Measurements under laboratory conditions (for declaration purposes)
  • BS EN ISO 10326-1:2016 Mechanical vibration — Laboratory method for evaluating vehicle seat vibration.  Part 1: Basic requirements. (Applies to any type of seat used in vehicles and mobile off-road machinery.)
  • BS ISO 10326-2:2022 Mechanical vibration — Laboratory method for evaluating vehicle seat vibration. Part 2: Application to railway vehicles.  (This covers seats designed for passengers or crew.)
  • BS EN ISO 7096:2020 Earth-moving machinery — Laboratory evaluation of operator seat vibration.
  • BS ISO 5007:2003 Agricultural wheeled tractors — Operator’s seat — Laboratory measurement of transmitted vibration.
  • BS EN 13490:2001+A1 Mechanical vibration — Industrial trucks — Laboratory evaluation and specification of operator seat vibration.
  • BS EN 50125-3:2003 Railway applications. Environmental conditions for equipment — Equipment for signalling and telecommunications.
  • ISO 2671     Environmental tests for aircraft equipment – Part 3.4: Acoustic vibration
  • MIL STD 810       Department of Defense test method – Environmental Engineering Consideration and Laboratory tests – Test 515.3, Test 515.4, Test 515.5, Test 515.6, Test 515.7, Test 515.8, Acoustic Noise
  • MIL STD 740-1        Airborne Sound Measurements and Acceptance Criteria of Shipboard Equipment
  • MIL STD 740-2        Structureborne vibratory acceleration Measurements and Acceptance Criteria of Shipboard Equipment
  • DEF STAN 00-35     Environmental Handbook for Defence Material – Environmental Test Methods – Chapter 2.08 – Test M8 Acoustic Noise
  • DEF STAN 02-813    Requirements for Structure Borne Vibration and Airborne Noise Testing of Warship Equipment
  • DEF STAN 08-123    Requirements for the Design and Testing of Equipment to Meet Environmental Conditions, Data sheet 24 – Vibration (Self Generated), Data sheet 26 – Acoustic Noise
  • DEF STAN 00-027 (Renumbered from DEF STAN 00-27)  The Measurement of Impulse Noise from Military Weapons, Explosives and Pyrotechnics; and Selection of Hearing Protection.
  • ETSI EN 300 753     Equipment Engineering (EE); Acoustic noise emitted by telecommunications equipment ECMA-74