Liquid petroleum products - Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels - Fixed range injection period, constant volume combustion chamber method
Edition 2012-06-27

Liquid petroleum products - Determination of ignition delay and derived cetane number (DCN) of middle distillate fuels - Ignition delay and combustion delay determination using a constant volume combustion chamber with direct fuel injection
Edition 2016-02-10

Connectors for electronic equipment - Tests and measurements - Part 25-4: Test 25d - Propagation delay.
Edition 2002-09-30

Switches for household and similar fixed electrical installations - Part 2-3: Particular requirements - Time delay switches (TDS) (IEC 60669-2-3:2006).
Edition 2007-05-09

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-38:Examinations and measurements - Group delay, chromatic dispersion and phase ripple (Endorsed by AENOR in March of 2013.)
Edition 2013-03-01

Delay and power calculation standards - Part 2: Pre-layout delay calculation specification for CMOS ASIC libraries (Endorsed by AENOR in January of 2003.)
Edition 2003-01-01

METHODS OF MEASUREMENT FOR WAVEGUIDES. PART 3: VARIATION OF GROUP DELAY. (Endorsed by AENOR in June of 1998.)
Edition 1998-06-01

Measurement methods and test procedures - Differential mode delay of multimode optical fibers
Edition 2023-02-20

Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber
Edition 2022

Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils-Ignition Delay and Combustion Delay Using a Constant Volume Combustion Chamber Method
Edition 2023