Class 1 Sound Level Calibrator
HD2020 - Delta OHM S.r.L.
The HD2020 sound level calibrator is a portable, battery operated sound source, suitable for sound level meters (portable and laboratory) and acoustic stations.
HD2020 - Delta OHM S.r.L.
The HD2020 sound level calibrator is a portable, battery operated sound source, suitable for sound level meters (portable and laboratory) and acoustic stations.
