SN EN ISO 8655-2:2022 is a vital standard published by the International Organization for Standardization (ISO) that addresses the metrological requirements, error limits, labeling, and user information concerning piston-operated volumetric apparatus, notably pipettes. This standard provides guidelines for ensuring accuracy and reliability in laboratory measurements.

Purpose and objectives

The primary objective of SN EN ISO 8655-2:2022 is to establish a consistent framework for the performance and calibration of piston-operated volumetric apparatus. This standard aims to enhance the accuracy of liquid measurement in laboratory settings, minimizing errors that can affect experimental outcomes. By defining metrological requirements and error limits, the standard supports users in achieving high-quality results while ensuring that pipettes are reliable and compliant with international measurement standards.

Scope: who must comply

SN EN ISO 8655-2:2022 compliance standards apply to a range of stakeholders within the laboratory environment. This includes:

• Laboratories: Academic, clinical, and industrial laboratories that utilize pipettes for quantitative measurements.
• Manufacturers: Companies that produce pipettes and related volumetric apparatus, ensuring their products meet the defined quality standards.
• Calibration Services: Organizations that provide calibration services to maintain compliance with metrological standards.

In the context of metrology and measurement, compliance with SN EN ISO 8655-2:2022 ensures that all measurements made using pipettes are both precise and reliable, fostering trust in laboratory results across various industries.

How SN EN ISO 8655-2:2022 relates to other standards

SN EN ISO 8655-2:2022 is part of a broader family of standards that enhance laboratory measurement practices. Related standards include:

• ISO 8655-1: This standard focuses on the general requirements for piston-operated volumetric apparatus, setting the foundation for subsequent specifications.
• ISO 8655-3: It addresses the specific requirements for the calibration of piston-operated volumetric apparatus, ensuring that users can maintain compliance with the necessary accuracy levels.
• ISO/IEC 17025: General requirements for the competence of testing and calibration laboratories, complementing the compliance standards by ensuring quality management in laboratory settings.

Revision history and current status

The SN EN ISO 8655-2:2022 was published by the European Committee for Standardization (CEN) as the latest revision of the standard. This current revision reflects updates made to enhance clarity on metrological requirements and to adapt to technological advancements in pipette design and use. The revisions aim to improve user understanding and compliance with the standard, ultimately leading to better measurement practices in laboratories around the world.