SIQ Safety and Electromagnetics Newsletter
SIQ Ljubljana
Product Testing and Certification | Management System Assessment | Metrology | Training | Information Technologies
Dear valued SIQ partners,
As 2024 draws to a close, we look back on the year filled with challenges and achievements we have all faced together. SIQ tackled complex projects, from testing cutting-edge robotic surgical equipment to ensuring compliance for next-generation EV chargers and state-of-the art laboratory products. These achievements were made possible through the trust and collaboration of our partners, for which we are deeply grateful. New partnerships brought valuable insights and fresh perspectives, enriching our experiences and strengthening our approach to innovation. By supporting clients from pre-compliance to full type testing and certification, we ensured faster market entry while upholding the highest level of quality. These milestones highlight SIQ’s adaptability and commitment to safe and reliable products.
Looking ahead to 2025, we are excited to expand our testing capabilities even further to meet the demands of evolving technologies. New projects in robotics, renewable energy, and smart infrastructure await, promising another year filled with the newest technologies.
We believe long-term collaboration is the key to success. By building strong partnerships, we not only address immediate needs but also support future innovation. Our goal is to be a trusted partner, empowering our clients’ journey to market leadership also in the future.
Thank you to all our clients and partners for trusting SIQ. Your confidence inspires us to innovate and improve. Together, we are co-creating safety and excellence!
We wish you a joyful holiday season and a prosperous new year!
Sincerely,
Andrej ?kof
Wireless coexistence is the capability of multiple wireless devices and services in the same geographical area to access the same RF spectrum band simultaneously without causing harmful interference to one another. In other words, can they all operate successfully and safely without any risk to an operator or a patient and maintain adequate wireless performance?
Standards for safety-critical systems often define specific safety levels that, while differing in terminology and implementation, share the common goal of quantifying risk and defining safety requirements. The key distinctions lie in how these frameworks approach safety.?
To achieve the interoperability of a railway system, it is essential that rolling stock is compatible with control and signalling trackside equipment. The interoperability requirements for such equipment are defined in the technical document ERA/ERTMS/033281, published by the European Railway Agency.
One of the key requirements outlined in this document is the testing of rolling stock for electromagnetic compatibility with axle counters. Electromagnetic compatibility of rolling stock is determined by measuring magnetic field emissions under the train in the frequency range from 10 kHz to 1.25 MHz.
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Partial discharge is a localised electrical discharge that only partially bridges the insulation between conductors. In components such as optocouplers and transformers, partial discharge can compromise insulation, leading to safety hazards, performance degradation, or even system failure.
Over time, partial discharge can cause gradual insulation breakdown in electronic components, negatively affecting their safety, reliability, and lifespan, particularly in high-voltage and high-frequency applications.
In our last newsletter, we summarised the requirements for outdoor products according to IEC 62368-1. Since many manufacturers also target the US and Canadian markets, this article focuses on the specific requirements for outdoor products in these regions.
The US/CAN standards include extensive national differences to Annex Y of IEC 62368-1:2018, with the primary distinction being their reliance on the separate standard UL 50E/CSA C22.2 No. 94.2 for Enclosures for Electrical Equipment, Environmental Considerations.
Measurements of pulse parameters are part of the IEC 60601-2-10 standard, which addresses the basic safety and essential performance of nerve and muscle stimulators.?
The test requires measuring the output signals of the stimulators, which must be within +/- 20% of the specified output provided by the manufacturer. The test is performed with the output load/impedance specified in the accompanying documents provided by the manufacturer. During the measurements, the following parameters are checked:
This year has brought us the new edition of IEC 60079-14:2024, after a decade. This update is extremely important for the installation of Ex-equipment once it leaves the manufacturer and enters the market. The safety of Ex-equipment doesn’t end when it leaves the manufacturer—it requires supervision throughout its entire lifecycle. Let’s look at the key changes in this new edition.
One significant change is the rewording of the title and content. The new title of the standard is "Electrical Installations: Design, Selection, and Installation of Equipment, Including Initial Inspection." The addition of "including initial inspection" highlights that the inspection of installations before use is now formally part of the installation process.
The medical device industry is rapidly evolving, making it crucial to stay up to date with the latest regulatory frameworks and technological advancements. SIQ Ljubljana provides a comprehensive array of specialized training programs that address key topics, including ISO 13485, risk management under ISO 14971, IEC 60601-1 safety standards, and the EU Medical Device Regulation (MDR). Our courses are meticulously designed to equip manufacturers, suppliers, and industry professionals with the knowledge and skills required to ensure compliance and enhance product safety.