Water quality - Evaluation of aerobic biodegradability of organic compounds in an aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999)
Edition 1999-09-01

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999)
Edition 1999-09

Tests relating to pavements - Static tests on bituminous mixtures - Part 4: modified DURIEZ test on bitumen emulsion based cold mix asphalts
Edition 2004-08-01

Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2) (german version)
Edition 2023-07-01

Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S) (german version)
Edition 2023-07-01

Electricity metering equipment - Particular requirements - Part 23: Static meters for reactive energy (classes 2 and 3) (german version)
Edition 2023-07-01

Electricity metering equipment - Part 3: Particular requirements - Static meters for AC active energy (class indexes A, B and C) (german version)
Edition 2023-06-01

Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S)
Edition 2021-07

Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2)
Edition 2021-07

Electricity metering equipment - Particular requirements - Part 24: Static meters for fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)
Edition 2021-07