Process measurement and control devices - General methods and procedures for evaluating performance - Part 3: Tests for the effects of influence quantities (IEC 61298-3:2008) (english version)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performance measuring and monitoring devices (PMD) (IEC 61557-12:2007) (english version)