This document specifies the performance test of data acquisition and handling systems (DAHS). This includes specification of: test procedures; description of laboratory test; requirements on the test laboratory. This document supports the requirements of EN 14181 and legislation such as the IED, MCPD and E-PRTR. It does not preclude the use of additional features and functions provided the minimum requirements of this document are met and that these features do not adversely affect data quality, clarity or access.