| Aspect | 2013 Edition | 2021 Edition | |--------|--------------|---------------| | Immunity test levels | 3 V/m for radiated RF (most ports) | 10 V/m for industrial environments | | Radiated RF frequency range | 80 – 1000 MHz | 80 – 1000 MHz plus 1.4 – 2.7 GHz | | Conducted RF | 3 V (0.15 – 80 MHz) | 10 V (0.15 – 80 MHz) | | Performance Criterion | A, B, C | A, B, C (with clarified definitions) | | Documentation requirements | Basic test report | Detailed "Technical Construction File" |
Key takeaway: If your product passed immunity testing under the 2013 version, it will likely fail under the 2021 version due to doubled test levels. You must re-test.
This is where EN 61326-1 shines. Instead of generic “acceptance criteria” (e.g., “normal operation”), the standard defines performance criteria specific to measurement equipment:
| Performance Criterion | Description | |----------------------|--------------| | A | No degradation or loss of function. Performance within manufacturer’s specification limits (e.g., measurement accuracy of ±0.1%). | | B | Temporary degradation or loss of function, but self-recoverable. No change in operating state or stored data. | | C | Temporary degradation with manual recovery required (e.g., power cycle). |
If you are an electrical engineer, a quality assurance manager, or a procurement specialist working with electrical equipment for measurement, control, or laboratory use, you have likely encountered the requirement: "Compliant with EN 61326-1."
The search for the "en 61326-1 pdf" is one of the most common queries in the industrial compliance sector. But simply finding a PDF file is only the first step. Understanding what the standard mandates, where to obtain the official document legally, and how to apply its requirements to your product is critical for CE marking and global market access.
In this comprehensive guide, we will cover everything you need to know about EN 61326-1, including:
For CE marking, you must use the EN version because it includes the European "Z Annexes" (Z Annex ZZ references the EU EMC Directive). The pure IEC version does not. However, the technical content is nearly identical.
EN standards often have amendment documents (e.g., A1:2022). Free PDFs rarely include these. The official PDF from CENELEC includes all corrigenda automatically.
The EN 61326-1 PDF is the digital blueprint for EMC compliance in the laboratory and measurement industry. Its core features are the specific immunity test levels (ESD, Surge, RF) and the performance criteria (A/B/C) that define how a device must react to electromagnetic interference. If you are using the PDF for product development or certification, ensure it is the 2021 version to comply with current EU regulations.
Full product name, model number, serial number, and software version. Test Standard: EN IEC 61326-1:2021 (or latest applicable version). Test Laboratory:
Name of the accredited facility, accreditation ID, and date of testing. Conclusion:
A clear "Pass" or "Fail" statement regarding compliance with the standard. 2. Equipment Configuration Operating Modes:
Precise description of how the EUT was operated during testing (e.g., maximum resolution, continuous data logging). Setup Diagram: en 61326-1 pdf
A physical layout showing EUT connections to power and auxiliary support equipment. Cables & Grounding:
Documentation of all interface cables (type and length) and earth connections used.
EMC TEST REPORT for Shanghai Jenco Instruments Co., Ltd. ... - YSI
For a topic related to EN 61326-1 (PDF) — which is the European standard for "Electrical equipment for measurement, control and laboratory use – EMC requirements" — the proper "paper" typically refers to either:
Academic or Technical Paper – If you are writing a research or application paper referencing EN 61326-1:
If you need the actual EN 61326-1 PDF for professional use — the proper, legal way is to purchase it from:
If you are writing a paper about the standard – focus on its scope, EMC test levels, immunity requirements, and differences from generic EMC standards. Use the official standard as your primary reference.
EN 61326-1 standard is the European adoption of the international IEC 61326-1 standard, which Electromagnetic Compatibility (EMC)
requirements for electrical equipment used in measurement, control, and laboratories iTeh Standards Compliance with this standard provides a presumption of conformity with the European EMC Directive 2014/30/EU , allowing manufacturers to CE mark their products. iTeh Standards 1. Scope and Applicability
The standard applies to electrical equipment operating from a supply or battery of less than 1,000 V AC 1,500 V DC . Typical devices covered include: iTeh Standards Measurement and Test Instruments: Digital multimeters, spectrum analyzers. Control Equipment:
Process controllers, programmable logic controllers (PLCs), and actuators. Laboratory Devices: In-vitro diagnostic (IVD) equipment and analyzers. Educational Equipment: Devices used in training and academic settings. iTeh Standards 2. Key Testing Requirements The standard specifies two main types of EMC requirements: (what the device sends out) and (how the device handles external interference). iTeh Standards Emission Requirements (Clause 7)
Equipment is classified based on its intended environment according to
For use in all establishments other than domestic, and those directly connected to a low voltage power supply network. | Aspect | 2013 Edition | 2021 Edition
For use in domestic establishments and those directly connected to a low voltage power supply network. iTeh Standards Immunity Requirements (Clause 6)
Immunity levels are categorized by the electromagnetic environment where the equipment will be used: Environment Description Typical Test Levels (Examples)
Generic locations, similar to residential or light commercial. 3 V/m RF immunity; ±4 kV contact ESD. Industrial Locations with high-power equipment and machinery. 10 V/m RF immunity; higher surge/burst levels. Controlled Specialized areas like calibrated laboratories. 1 V/m RF immunity. 3. Performance Criteria
During immunity testing, the equipment's behavior is evaluated against three main criteria:
Electrical equipment for measurement, control and laboratory use
Writing a proper essay on the EN 61326-1 standard requires an understanding of its role in ensuring the reliability and safety of electrical equipment through Electromagnetic Compatibility (EMC).
Below is an essay-style overview that covers the scope, technical requirements, and significance of this standard in the modern engineering landscape.
The Role of EN 61326-1 in Modern Electromagnetic Compatibility Introduction
In an increasingly digitized world, the reliable operation of electronic equipment is paramount, particularly in industrial and laboratory settings where precision is critical. EN 61326-1, titled "Electrical equipment for measurement, control and laboratory use – EMC requirements," serves as the foundational European standard for managing Electromagnetic Compatibility (EMC). It specifies the limits and methods for both electromagnetic emissions and immunity, ensuring that devices neither interfere with other electronics nor fail when exposed to external disturbances. Scope and Application
The standard applies to electrical equipment powered by supplies below 1000 V AC or 1500 V DC. Its scope is broad, covering professional, industrial-process, and educational equipment such as: EN IEC 61326-1:2021 - EMC requirements - iTeh Standards
Lieutenant Eva Rostova of the International Space Standards Bureau stared at the blinking red light on her console. The new atmospheric processor, a marvel of Martian-Dutch engineering, was scheduled to go live in six hours. But every time she ran the harmonics test, a ghost signal sent the humidity regulator into a spasm.
“It’s the magnetic field,” grumbled her technician, Kael, from under a mess of coolant tubes. “Every time we power the main array, the sensor cables start singing like a choir of angry bees.”
Eva didn’t need bees. She needed a document. Specifically, she needed EN 61326-1. This is where EN 61326-1 shines
She pulled up the station’s emergency offline archive. The file name appeared, greyed out and stubborn: IEC 61326-1:2020 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: General requirements.
“The ‘EN’ version,” she whispered to herself, wiping condensation from the screen. “The European Norm adoption. The redline version. It’s the only one that covers the Terran-Mars frequency drift.”
Outside the porthole, the rusty desert of Mars stretched to the horizon. A dust storm was brewing—charged particles that would turn every unshielded wire into an antenna. If she couldn’t fix the electromagnetic compatibility (EMC) in three hours, the processor would spew toxic perchlorates into the habitat’s air.
Kael crawled out, holding a fried circuit board. “The manual is useless. It says ‘reference EN 61326-1 for immunity test levels.’ But the library only has the old 2013 draft.”
Eva closed her eyes. She remembered her training in Bremen, a grizzled professor hammering a single truth: “Standards are not suggestions. They are the walls that keep the chaos out. Never guess the levels. Find the PDF.”
She made a decision. “Crack the emergency comms laser. One burst.”
“That’s a seventy-thousand-euro burn through the dust,” Kael warned. “For a PDF?”
“For survival.”
The laser fired. For ninety agonizing seconds, data trickled through the storm. Then, with a soft ding, the file appeared on her tablet: en_61326-1_2021.pdf.
She opened it. Page 42, Table 4—Immunity to radiated RF electromagnetic fields. There it was: the test level for her specific frequency band. 10 V/m. Not 3, not 30. 10.
Eva recalculated the shielding thickness. She adjusted the ferrite cores on the sensor cables by two millimeters each. She rewrote the filter parameters.
Two hours and forty-seven minutes later, Kael threw the main breaker. The atmospheric processor hummed to life. The ghost signal did not spasm. The humidity regulator sat still as a stone. The numbers on the console were clean.
Eva leaned back, exhausted, and looked at the PDF icon on her screen. She did not delete it. She renamed it: The Wall That Held.
And somewhere on Earth, in a CENELEC committee room, a team of engineers who had argued for three years over that single 10 V/m limit continued their work, never knowing they had just saved a colony on Mars.
Using Annex A of the PDF, list all required EMC tests, ports to be tested, and performance criteria. This plan is what you give to an EMC test house.