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This document specifies procedures for the determination of volumetric performance of automated liquid handling systems (ALHS), including traceability and estimations of measurement uncertainty of measurement results. This document is applicable to all ALHS with complete, installed liquid handling devices, including tips and other essential parts needed for delivering a specified volume, which perform liquid handling tasks without human intervention into labware. For terminology and general requirements of automated liquid handling systems, see ISO 23783-1. Determination, specification, and reporting of volumetric performance of automated liquid handling systems is described in ISO 23783-3. The responsible national standardization committee is Working Committee NA 055-01-08 AA "Volumenmessgeräte" ("Volumetric instruments") at DIN Standards Committee Laboratory Devices and Installations (FNLa).