German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 52: Photometric determination of dissolved chromium(VI) in water (D 52)
Edition 2020-11

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 1: Basic requirements
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 2: Current transformers Uₘ = 0,72 kV and Uₘ = 1,2 kV - Main dimensions
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 3: Voltage transformers Uₘ 12 kV to 36 kV - Large design, main dimensions, indoor type
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 4: Current Transformers (support-type-insulator) Uₘ = 12 kV - Small design, main dimensions, indoor type
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 5: Current Transformers (support-type-insulator) Uₘ 12 kV to 36 kV - Large design, main dimensions, indoor type
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 7: Voltage Transformers Uₘ to 12 kV - Small design, main dimensions, indoor type
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV -Part 8: Current Transformers (support-type-insulators) Uₘ = 12 kV and Uₘ = 24 kV - Narrow design, main dimensions, indoor type
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 9: Voltage Transformers Uₘ = 12 kV and Uₘ = 24 kV - Narrow design, main dimensions, indoor type
Edition 2013-10

Graphical symbols for operation of high-voltage switchgear less than 52 kV
Edition 1990-06