Acoustic calibrator CB004

for sound level meters

Portable, user friendly calibrator, ideal for checking sound level meters and dosimeters on the measurement site, or in the laboratory. It is designed especially to check class 2 dosimeters and sound level meters. Represents a cost effective yet accurate means of checking, before and after the measurement. May be used with any microphone suitable for closed coupler checking and of ½" diameter. Complies with norm IEC 60942:2003 class 2.