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PD IEC/TS 62903
Ultrasonics. Measurements of electroacoustical parameters and acoustic output power of spherically curved transducers using the self-reciprocity method
Edition
2023-06-27
UNE-EN ISO 2692
Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR) (ISO 2692:2021)
Edition
2023-02-08
UNE-EN 61094-2
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Edition
2011-12-14
UNE-EN 61094-2/A1
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Edition
2023-01-18
UNE-EN 61094-3
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
Edition
2017-02-01
UNE-EN 61094-3/AC
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
Edition
2017-03-22
ABNT NBR 14646
Technical drawings - Geometrical tolerancing - Maximum marterial requirement, least material requirement, reciprocity
Edition
2001-03-30
DIN EN ISO 2692
Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR) (ISO 2692:2021); German version EN ISO 2692:2021
Edition
2022-08
DIN EN 61094-2/A1
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:2009/AMD1:2022); German and English version EN 61094-2:2009/A1:2022
Edition
2023-02
DIN EN 61094-2
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
Edition
2009-09