Sound absorbing bonnet for rapping density apparatus

The picture may be different from the article and can include supply, which is not in the standard scope.

This sound-absorbing bonnet reduces the noise level of the knock density unit from 80dB(A) to 58 dB(A).
Description value
WEEE obligation: No
Apparatus for the determination of tap density, DIN EN ISO 3953 & 787, ASTM B527 This device...