ISQ, through its Metrology Laboratory Labmetro, is the 1st entity in Portugal to be accredited by IPAC – Portuguese Institute for Accreditation – for the calibration of optical particle counters, reducing the time spent on equipment calibration, since the equipment is sent to Accredited Laboratories outside Portugal.
The calibration of optical particle counters (COP’s) according to ISO 21501-4:2018, “will allow companies to evaluate clean environments in hospitals, pharmaceutical industry, food industry, among others, to ensure the traceability of their measurements and ensure confidence and quality of their results,” says Tânia Farinha, Service Manager of the Metrology Laboratory.
ISQ continues to support these companies by performing the calibration of this equipment in its Laboratory, which allows compliance with the requirements.
Currently the monitoring and measurement of airborne particles through COP’s has gained increasing importance in different areas such as

  • control of unwanted environmental contamination essential to protect and ensure the integrity of processes or products in various sectors, particularly in the aerospace, microelectronics, pharmaceutical, medical devices, health and food industries;
  • clean rooms, their classification and framework according to Good Manufacturing Practices (GMP) and according to the ISO 14644-1 standard.


ISQ is a private, independent entity that delivers value through integrated and innovative engineering, inspection, testing, testing and training services solutions.

Present in 14 countries and with 7 offices in Portugal, ISQ supports its customers in reducing risk, improving operational performance and increasing competitiveness. multidisciplinary teams that help clients to align their business objectives with applicable regulations and standards and in meeting their goals in the areas of quality, safety, asset management and environmental and social responsibility.

Industry, Technology and Innovation are the premises that guide the work developed by ISQ, which already has more than 500 international Innovation projects and more than 17,000 professional training courses.

ISQ supports industry development and innovation on a global scale, with service solutions for the Oil & Gas, Energy, Aeronautics and Aerospace, Process Industry, Health, Mobility and Smart Cities, Transport and Infrastructure and Agribusiness sectors.


Carla Guedes      |          | +351 919 211 647