IEC 61094-2:2009/AMD1:2022 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
2022IEC 61094-2:2009/AMD1:2022 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
2022IEC 61094-2:2022 Amendment 1 - Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
2009IEC 61094-2:2009 Electroacoustics - Measurement microphones - Part 2: Primary method for the pressure calibration of laboratory standard microphones by the reciprocity technique
1992IEC 61094-2:1992 Measurement microphones; part 2: primary method for pressure calibration of laboratory standard microphones by the reciprocity technique