Laserfiche WebLink
RIYIII1.31381V3r AOOVSTIos r. LABORATORIES P <br /> OF <br /> 1512 BATAVIA AVENUE III RESEARCH INSTITUTE 630/232-0104 <br /> GENEVA, ILLINOIS 60134 FOUNDED 191E BY <br /> REPORT WALLACE CLEMENT SABINE <br /> K-X Industries, Inc. RAL"-TL98-195 <br /> 10 September 1998 Page 2 of 3 <br /> TEST RESULTS <br /> Sound transmission loss values are tabulated at the eighteen standard <br /> frequencies. A graphic presentation of the data and additional information <br /> appear on the following pages. The precision of the TL test data are within <br /> the limits set by the ASTM Standard E90-97. <br /> FREQ. T.L. C.L.. DEF. FREQ. T.L.. C.L.. DEF. <br /> 100 39 0.28 0 800 62 0.32 " 0 <br /> 125 39 0.12 0 1000 65 0.30 0 <br /> 160 37 0.20 5 1250 68 0.24 0 <br /> 200 38 0.24 7 1600 70 0.26 0 a <br /> 250 41 0.31 7 2000 70 0.19 0 `IIl <br /> 315 47 0.28 4 2500 63 0.18 0 <br /> 400 49 0.29 5 3150 62 0.18 0 <br /> 500 55 0.39 0 4000 62 0.11 0 <br /> 630 58 0.34 0 5000 64 0.10 0 <br /> STC = 55 <br /> ABBREVIATION INDEX <br /> FREQ. = FREQUENCY, HERTZ, (cps) <br /> T.L. - TRANSMISSION LOSS, dB <br /> L.L. - UNCERTAINTY IN dB, FOR A 95% CONFIDENCE LIMIT <br /> DEF. = DEFICIENCIES, dB<STC CONTOUR <br /> SIC = SOUND TRANSMISSION CLASS <br /> Tested & <br /> Reviewe ubmitted b <br /> Dean Victor eter E. Straus <br /> Senior Experimentalist Senior Experimentalist <br /> THE RESULTS REFORM)MOW APPLY ONLY TO TN!SPECIFIC SWAT SUBMITTEO FOR MFYUREINM.NO IISSPONSIBILItYI.WUYFD FOR PISFORWXCE OF MY OTHER SPECIMEN. J <br /> ACCREDITED BY DEPARTMENT OF COMMERCE,NATIONAL VOLUNTARY LABORATORY <br /> WV ACCREDITATION PROGRAM FOR SELECTED TEST METHODS FOR ACOUSTICS. <br /> THE LABORATORY'S ACCREDITATION OR ANY OF ITS TEST REPORTS IN NO WAY CONSTITUTES <br /> OR IMPLIES PRODUCT CERTIFICATION, APPROVAL,OR ENDORSEMENT BY NIST. <br />