Measuring methods and testing procedures for electromechanical components; test 23a: transfer impedance
Edition 1988-10

Measuring methods and testing procedures for electromechanical components; test A: contact force, resilient female contacts
Edition 1988-05

Denomination of the ripple of d.c voltage, periodic deviations; terms and measuring methods
Edition 1970-01

Measurements of the electrical properties of electronic tubes and valves; precautions relating to methods of measurement
Edition 1974-02

Measurements of the electrical properties of electronic tubes and valves; methods of measuring hiss and hum
Edition 1973-06

Measurements of the electrical properties of electronic tubes; methods of measurement for television picture tubes
Edition 1973-07

Measurement of the electrical properties of electronic tubes; method of measurement for cold cathode counting and indicator tubes
Edition 1976-09

Air cleaner and air humidifier - Part 100: Electrical air-conditioner for household and similar use; Methods for measuring the performance
Edition 2002-01

Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement
Edition 1987-02

Procedure for calculating loudness level and loudness
Edition 1991-03