Description
Norsonic Knocking Machine Nor 277 for building acoustic step sound measurements according to current standards.
Built-in self-calibration – checking the hammers' drop rate.
(Flight case is optional)
Norsonic Knocking Machine Nor 277 for building acoustic step sound measurements according to current standards.
Built-in self-calibration – checking the hammers' drop rate.
(Flight case is optional)
Norsonic Knocking Machine Nor 277 for building acoustic step sound measurements according to current standards.
Built-in self-calibration – checking the hammers' drop rate.
(Flight case is optional)
