Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997
Edition 1997-10

Measurement of quartz crystal unit parameters - Part 8: Test fixture for surface mounted quartz crystal units (IEC 60444-8:2016); German version EN 60444-8:2017
Edition 2017-11

Thermal analysis (TA) - Vocabulary; Text in German and English
Edition 2022-03

Aerospace series - Contact Memory Button (CMB) tags intended for aircraft use; German and English version EN 4819:2012
Edition 2012-09

Automatic burner control systems for burners and appliances burning gaseous or liquid fuels; German version EN 298:2022
Edition 2024-03

Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 4: Guidance on the estimation of the probability of condensation prior to paint application (ISO 8502-4:2017); German version EN ISO 8502-4:2017
Edition 2017-05

Aerospace series - Cable, electrical, aircraft use - Test methods - Part 302: Voltage proof test; German and English version EN 3475-302:2006
Edition 2007-08

Energy management system application program interface (EMS-API) - Part 301: Common information model (CIM) base (IEC 61970-301:2020); English version EN IEC 61970-301:2020
Edition 2023-09

Non-destructive testing - Acoustic emission testing - Equipment characterisation - Part 2: Verification of operating characteristics; German version EN 13477-2:2021
Edition 2021-12

Electronic railway equipment - Train communication network (TCN) - Part 2-2: Wire Train Bus conformance testing (IEC 61375-2-2:2012); English version EN 61375-2-2:2012
Edition 2015-06