Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 6-1
Original description
Carpet, loop pile, impregnated base fabric, 4.5 mm, 1.87 kg/m², 820 Rayl
ISO 354 – reverberation chamber
αp nach ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
