https://www.instrumentasia.com/product/skc-noisechek-noise-dosimeter-instrumentasia/
SKC-NoiseCHEK Noise Dosimeter - Instrumentasia
Aug 23, 2022 - Measures 70 to 140 dB and peak level up to 143 dB , Meets ANSI S1.25, IEC61252 (Class 2)
noise dosimeterskc