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Certificate Number 2022001763 <br />Acoustic Signal Tests, C-weighting <br />Measured according to IEC 61672-3:2013 12 and ANSI S1.4-2014 Part 3: 12 using a comparison coupler with Unit Under Test <br />(UUT) and reference SLM using slow time-weighted sound level for compliance to IEC 61672-1:2013 5.5; ANSI S1.4-2014 Part <br />1: 5.5 <br />Frequency [Hz] Test Result [dB] <br />125 -0.16 <br />1000 0.03 <br />8000 -2.65 <br />Expected [dB] Lower Limit [dB] Upper Limit [dB) <br />-0.20 -1.20 0.80 <br />0.00 -0.70 0.70 <br />-3.00 -5.50 -1.50 <br />Expanded <br />Uncertainty [dB] <br />0.23 <br />0.23 <br />0.32 <br />Result <br />-- End of ineasurement results-- <br />Self-generated Noise <br />Measured according to IEC 61672-3:2013 11.1 and ANSI S1.4-2014 Part 3: 11.1 <br />Measurement Test Result [dB] <br />A-weighted, 20 d6 gain 40.60 <br />-- End of ineasurement results-- <br />-- Eud of Report-- <br />Signatory: .�a.!'.0�, �;'p,yi,�.4yt <br />LARSON DAVIS - A PCB PIEZOTRONICS DIV. <br />1681 West 820 North <br />Provo, UT 84601, United States <br />716-684-0001 <br />2022-2-11 T09:43.30 <br />,�,,,,,, �,,,,,, <br />�� � <br />'�i ^���` ACCREDITED <br />��'���������� Cert :362201 <br />Page 3 of 3 <br />Pass <br />Pass <br />Pass <br />� LARSON DAVIS <br />` �iit,i: �,� : <br />D0001.8406 Rev F <br />