TS IEC 60050-300/A2

TS IEC 60050-300/A2 is an amendment to the International Electrotechnical Vocabulary covering electrical and electronic measurements and measuring instruments. It updates the terminology used in this area, helping engineers, metrologists, and technical writers apply consistent names and definitions when discussing instruments, measuring principles, and measured quantities.

How the vocabulary is organised

In measurement engineering, terminology does more than label a device. It helps distinguish what a meter measures, the physical principle behind it, and how it differs from related instruments. Instruments used for current, voltage, resistance, frequency, power, or energy measurement may rely on different operating principles and may belong to different instrument families. A vocabulary part such as this one supports a common technical language across metrology, instrumentation, and electrical measurement practice.

What an amendment means here

As an amendment document, TS IEC 60050-300/A2 updates the terminology framework of the parent vocabulary rather than redefining the whole subject area on its own. Its practical value is in keeping technical language aligned across standards, manuals, laboratory documentation, and educational material. That is especially relevant where precise wording matters for electrical and magnetic quantity measurement, instrument classification, and translation consistency.

• Focuses on terminology for electrical and electronic measurements within the IEV framework.
• Supports specific terms used according to instrument type.
• Helps maintain consistent technical language in metrology and instrumentation.
• As an amendment, it should be read as a update to the parent vocabulary, not as a standalone full terminology system.