1. Why can the same test yield different results between two laboratories?
Imagine two laboratories testing the same material sample or an electric vehicle battery pack. Both use state-of-the-art equipment and follow the same testing methods, yet the results differ.
In many fields such as automotive, aerospace, electronics, or new energy, even a small error can affect product quality assessment, certification processes, or even the decision to bring a product to market.
So how can we ensure that test results are always accurate, objective, and internationally recognized ?
That is the role of ISO/IEC 17025 – the standard considered the foundation for the competence of testing and calibration laboratories worldwide.
2. What is ISO/IEC 17025?
ISO/IEC 17025 is an international standard that specifies the requirements for the competence of testing and calibration laboratories .
The standard, developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) , is currently widely applied in over 170 countries.
Unlike ISO 9001 , which focuses on the quality management system of the enterprise, ISO/IEC 17025 delves into the technical competence of the testing laboratory. This standard not only requires the laboratory to have appropriate management procedures but also to demonstrate its ability to produce accurate, consistent, and traceable test and calibration results .
Simply put, ISO/IEC 17025 answers the question:
"Does this laboratory have the capacity to produce results that customers and international organizations can trust?"
3. Why is ISO/IEC 17025 important?
In testing, the greatest value lies not in expensive equipment or state-of-the-art laboratories, but in the reliability of the measurement results .
If test results are not accepted, businesses may have to repeat the tests at a different laboratory, increasing costs, prolonging product development time, and impacting the product's market launch schedule.
Implementing ISO/IEC 17025 helps testing laboratories:
- - Demonstrate technical competence.
- - Ensure that measurement results are accurate and consistent.
- - Control measurement errors and uncertainties.
- - Enhance your reputation with customers and partners.
- - Increases the likelihood of test results being accepted in the international market.
For exporting businesses, this is also an important factor in reducing the need for repeated testing when products are evaluated in multiple countries.
4. What requirements does ISO/IEC 17025 include?
The standard is built upon two main groups of requirements.
Management system requirements
The laboratory needs to establish and maintain a management system to ensure that all operations are consistently controlled.
The contents include:
- Document management.
- Record keeping.
- Internal assessment.
- Risk management.
- Handling complaints.
- Corrective and improvement actions.
The goal is to create a transparent and traceable workflow.
Technical competency requirements
This is the biggest difference between ISO/IEC 17025 and many other management systems.
The standard requires testing laboratories to demonstrate competence through several factors, such as:
- The level of staff expertise.
- Test environmental conditions.
- Testing method.
- Measuring device.
- Calibration.
- Traceability of measurements.
- Assess measurement uncertainty.
- Quality control of test results.
This helps ensure that the results produced are not only correct according to the procedure but also accurately reflect the true value of the measurement.
5. In which industries is ISO/IEC 17025 applied?
Today, most fields involving testing or calibration activities can apply ISO/IEC 17025.
Some typical industries include:
Car
- - Testing electric vehicle batteries.
- - Cultural Center.
- - EMC.
- - Crash Test.
- - Durability.
- - Environmental testing.
Aerospace
- - Material testing.
- - Electronic devices.
- - Aerospace components.
- - Calibrating measuring equipment.
Electricity and electronics
- - EMC.
- - Electrical safety.
- - Product performance.
- - Reliability.
New energy
- - Lithium-ion battery.
- - ESS.
- - EV charger.
- - Inverter.
- - PCS.
Medical devices
- - Calibration.
- - Biological testing.
- - Diagnostic equipment.
Materials and Mechanics
- - Compression.
- - Hardness.
- - Tired.
- - Material composition.
Environment
- - Water.
- - Air.
- - Land.
- - Noise.
Food and pharmaceuticals
- - Microbiology.
- - Chemistry.
- - Heavy metals.
- - Pesticide residues.
As can be seen, ISO/IEC 17025 can be applied to any field requiring reliable test results.
6. What benefits does ISO/IEC 17025 bring to businesses?
For businesses that own testing laboratories, this standard helps improve operational capabilities and minimize errors in the testing process.
For customers, ISO/IEC 17025 provides confidence that test results are performed according to technical requirements and are subject to strict quality control.
In many cases, using results from an accredited testing laboratory also helps reduce product evaluation time and facilitates export activities.
7. Who issues ISO/IEC 17025 certification?
This is a point where many businesses often get it wrong.
ISO does not directly issue ISO/IEC 17025 certifications.
Instead, the competence of the testing laboratory is recognized by accreditation bodies in each country or region.
In Vietnam, the most common accreditation body is the Bureau of Accreditation (BoA) under the Ministry of Science and Technology. Laboratories that meet all requirements are granted a VILAS (Vietnam Laboratory Accreditation Scheme) accreditation certificate .
Besides Vietnam, many other accreditation organizations are also internationally recognized, such as UKAS (United Kingdom), DAkkS (Germany), A2LA (United States), JAB (Japan), and CNAS (China). Through mutual recognition agreements between these organizations, the test results of accredited laboratories can be widely accepted in many countries.
8. What preparations are needed to set up a testing laboratory according to ISO/IEC 17025?
To build a testing laboratory that meets ISO/IEC 17025 standards, businesses need not only to invest in equipment but also to prepare many other elements simultaneously, including:
- - The layout and environmental conditions are designed appropriately.
- - Select equipment that meets technical requirements.
- - Establish testing procedures.
- - Calibration and control of measuring equipment.
- - Staff training.
- - Establish a system of documents and records.
- - Establish a process for evaluating the quality of results.
Early preparation will help the accreditation process run more smoothly, while also saving significant time and operational costs later on.
GPower Vietnam partners with businesses to build testing laboratories.
Building a qualified testing laboratory is not just about purchasing equipment. More importantly, it's about choosing the right solution that aligns with the testing objectives, applicable standards, and the long-term development direction of the business.
With experience in providing testing solutions for automotive, aerospace, new energy, electronics, and many other industries, GPower Vietnam supports customers from solution consulting, equipment selection, laboratory design to operational training and implementation according to ISO/IEC 17025 requirements .
If your business is planning to build or upgrade a testing laboratory, contact us for detailed advice to help you gain useful information before investing in and implementing a testing system.

