CRY563B 1" Sound Calibrator

The CRY563B sound calibrator is a portable sound source with high stability, small size and low power consumption. Its performance meets the level 1 requirements of IEC60942 and GB/T15173 standards.…

CRY3018 Sound Calibrator

The CRY3018 is a portable, high-precision acoustic calibrator compliant with IEC 60942:2017 Class 1. It supports dual frequencies of 250 Hz and 1000 Hz, as well as dual sound pressure…