Measurement of quartz crystal unit parameters. Standard method for the determination of the load resonance frequency ƒL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
Edition 2010-12-31

Acoustics. Hearing protectors. Measurement of effective sound pressure levels for level-dependent sound-restoration ear muffs
Edition 2000-08-15

Belt drives. Grooved pulleys for narrow V-belts. Groove sections 9N/J, 15N/J and 25N/J (effective system)
Edition 2001-10-25

Belt drives - Narrow V-belts - Sections 9N/J, 15N/J and 25N/J (lengths in the effective system)
Edition 2003-02-12

Connectors for electronic equipment - Tests and measurements - Screening and filtering tests - Test 23g - Effective transfer impedance of connectors
Edition 2005-04-18

Security Evaluation Standard for IoT Platforms (SESIP). An effective methodology for applying cybersecurity assessment and re-use for connected products
Edition 2023-11-27

Pulp and paper - Determination of the effective residual ink concentration (ERIC number) by infrared reflectance measurement
Edition 2009-03-01

Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution
Edition 2018-05-16

Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution
Edition 2018-10-10

Belt drives - Grooved pulleys for V-belts (system based on effective width) - Geometrical inspection of grooves
Edition 2013-01-26