Measurement microphones; part 2: primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:1992); German version EN 61094-2:1993— 17 стр.
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units (IEC 60027-3:2002); German version HD 60027-3:2004
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:2009); German version EN 61094-2:2009— 40 стр.
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:2009); German version EN 61094-2:2009— 40 стр.
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response (IEC 61094-6:2004); German version EN 61094-6:2005— 31 стр.
Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison (IEC 61094-5:2001); German version EN 61094-5:2001— 20 стр.
Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-3:1995); German version EN 61094-3:1995— 14 стр.
