ISO 9053:1991 [ Method A], ASTM C522, BS EN 29053:1993, ISO TC 43/SC 2
Test results are expressed in MKS Rayls and CGS Acoustic Ohms suitable for acoustic materials.
The original test area is 50 cm2 and accessorized with reduction flanges of 20, 10, 5, 2, 1 cm2 are supplied together with diameter certificate issued by ACCREDIA body.
Rayls 37X is equipped with an touch screen as user interface that allows to set test parameters, test monitor, additional functions and evaluations at the end of each test.
RAYLS 37X: Test procedures: