Clean Room Testing to ISO 14644


Clean Room Testing to ISO 14644

Cleanrooms such as data centres; server rooms and laboratories require regular monitoring and clean room testing to ensure that contamination levels are within acceptable limits.

Governing bodies, specify regular clean room testing, and qualification to ensure that their standards are met and maintained to ISO 14644-1:2015 - Classification of air cleanliness by particle concentration and ISO 14644-2:2015 - Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration.


Clean Room Testing – APT Sound Testing are specialists in clean room testing to meet the requirements of all current standards and guidelines. We undertake the testing of cleanrooms in accordance with international standards and customer quality specifications.
In order to ensure that your clean room environment is working effectively a number of factors relating to the air supply coming from your ventilation need to be tested. These tests apply to every type of clean room, whether used for the manufacture of pharmaceutical or nanotechnology or for any other industry, and whether it uses a unidirectional or a non-unidirectional air flow system.

We will need to test the quantity and quality of air to ensure that there is enough to dilute or remove any contamination generated within your clean room, and we will need to test the quality of the air to ensure that it is not adding to any contamination.
We also need to test the flow of the air to ensure that it is moving from clean to less clean areas, minimising the movement of any contaminated air into your clean area, and also to ensure there are no areas of the room with high concentrations of pollutants.



Our Cleanroom Testing and Validation Services
We can provide the following clean room testing and validation services:
  1. Airborne particles and microbial concentrations –we will carry out measurements to ensure that the concentration of particles and micro-organisms is compliant with the specification set out for your clean room.
  2. Air supply and extract quantities – If your air supply is unidirectional we will measure and record the air velocity – for non-unidirectional systems we will measure air supply.
  3. Differential pressure – Here we will be testing to ensure that the air in your clean room always moves from clean to less clean areas, with your clean room having a higher pressure than adjacent less clean areas.
  4. Containment leak testing – We will check the construction of your clean room to ensure that no airborne contamination can occur via leaks from higher pressure work areas adjacent to it.
  5. On many cleanrooms we are also required to carry out measurements for temperature, relative humidity, as well as noise, lighting and vibration levels.

With APT Sound Testing you can be sure of a professional end to end service.   Specialising in the testing and validation of clean rooms, we offer the complete range of performance tests, including non-viable airborne particulate monitoring, airflow volume flow measurement and air change rate calculations for non-unidirectional systems, airflow velocity measurements for unidirectional systems, HEPA filter integrity testing, room differential pressure measurement, airflow visualisation, recovery testing, temperature and humidity monitoring.

APT Sound Testing always try and ensuring that you fully understand our process and your results. Following our clean room testing or validation service, we will forward a clear as to follow reports.
For more information please download our cleanroom testing checklist or visit our website at www.aptsoundtesting.co.uk or call us on 01525 303905 to discuss your annual cleanroom validation testing, alternately please email info@aptsoundtesting.co.uk

Location: Clapham Town, London SW4 0QU, UK

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