IEC 61012:1990

IEC 61012:1990 addresses Filters for the measurement of audible sound in the presence of ultrasound, making it relevant where sound measurements must remain reliable even when ultrasonic energy is present. For engineers, test laboratories, and compliance teams, IEC 61012:1990 supports more controlled acoustic evaluation by helping define the filtering approach used in measurement workflows. It is a practical technical reference when reviewing test methods, documenting results, or checking whether an acoustic measurement setup is suitable for technical assessment and conformity assessment.

What is IEC 61012:1990?

This document provides the primary technical reference for filters intended to measure audible sound accurately in environments where ultrasound may interfere with readings. In practice, it is useful for defining a measurement approach that improves consistency during verification activities and laboratory evaluation. Organizations may use it when comparing test methods, preparing engineering documentation, or supporting quality workflows that require dependable acoustic data. As the original edition, IEC 61012:1990 serves as the core document for understanding the intended filtering concept and its compliance relevance.

Applications of IEC 61012:1990

IEC 61012:1990 is relevant in acoustic testing environments where audible sound measurements can be affected by ultrasonic content, such as product evaluation, technical validation, and instrument assessment. It may support work in laboratories, inspection settings, and engineering teams that need dependable data for technical review or regulatory preparation. The document is also useful in procurement and specification review when selecting measurement methods or equipment for controlled testing workflows. Its scope makes it a practical compliance reference for organizations focused on measurement integrity.

Why is IEC 61012:1990 important?

The value of IEC 61012:1990 lies in helping reduce measurement error where ultrasound could distort audible sound results. That matters for safety, testing consistency, and operational consistency across evaluation programs. Reliable filtering supports better engineering validation and helps organizations produce defensible results for conformity assessment and technical compliance. It can also strengthen procurement decisions by clarifying the type of measurement reference needed for a given workflow. In short, it supports more trustworthy acoustic data and lower risk in documented evaluation.

• Filtering guidance for audible sound measurement where ultrasonic energy is present
• Useful for laboratory evaluation and controlled acoustic testing workflows
• Supports technical review, documentation, and conformity assessment preparation
• Helps improve measurement consistency and reduce test-result distortion