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Calibration Certificate <br />Certificate Number 2017012136 <br />Customer: <br />LSA Associates Inc <br />20 Executive Park <br />Irvine, CA 92614, United States <br />Model Number CAL200 <br />Serial Number 3228 <br />Test Results Pass <br />Initial Condition AS RECEIVED same as shipped <br />Description Larson Davis CAL200 Acoustic Calibrator <br />Procedure Number <br />Technician <br />Calibration Date <br />Calibration Due <br />Temperature <br />Humidity <br />Static Pressure <br />D0001.8386 <br />Scott Montgomery <br />17 Nov 2017 <br />17 Nov 2018 <br />25 °C ± 0.3 °C <br />33 %RH ± 3 %RH <br />101.5 kPa ± 1 kPa <br />Evaluation Method The data is aquired by the insert voltage calibration method using the reference microphone's open <br />circuit sensitivity. Data reported in dB re 20 pPa. <br />Compliance Standards Compliant to Manufacturer Specifications per D0001.8190 and the following standards: <br />IEC 60942:2003 ANSI S1.40-2006 <br />Issuing lab certifies that the instrument described above meets or exceeds all specifications as stated in the referenced procedure <br />(unless otherwise noted). It has been calibrated using measurement standards traceable to the SI through the National Institute of <br />Standards and Technology (NIST), or other national measurement institutes, and meets the requirements of ISO/IEC 17025:2005. <br />Test points marked with a * in the uncertainties column do not fall within this laboratory's scope of accreditation. <br />The quality system is registered to ISO 9001:2008. <br />This calibration is a direct comparison of the unit under test to the listed reference standards and did not involve any sampling plans to <br />complete. No allowance has been made for the instability of the test device due to use, time, etc. Such allowances would be made by <br />the customer as needed. <br />The uncertainties were computed in accordance with the ISO Guide to the Expression of Uncertainty in Measurement (GUM). A <br />coverage factor of approximately 2 sigma (k=2) has been applied to the standard uncertainty to express the expanded uncertainty at <br />approximately 95% confidence level. <br />This report may not be reproduced, except in full, unless permission for the publication of an approved abstract is obtained in writing <br />from the organization issuing this report. <br />Staniis I`�r�,, w <br />Description Cal Date Cal Due Cal Standard <br />Agilent 34401A DMM <br />Larson Davis Model 2900 Real Time Analyzer <br />Microphone Calibration System <br />1/2" Preamplifier <br />Larson Davis 1/2" Preamplifier 7-pin LEMO <br />1/2 inch Microphone - RI - 200V <br />Pressure Transducer <br />Larson Davis, a division of PCB Piezotronics, Inc <br />1681 West 820 North <br />Provo, UT 84601, United States <br />716-684-0001 <br />09/06/2017 <br />09/06/2018 <br />001021 <br />04/10/2017 <br />04/10/2018 <br />001051 <br />08/08/2017 <br />08/08/2018 <br />005446 <br />10/05/2017 <br />10/05/2018 <br />006506 <br />08/08/2017 <br />08/08/2018 <br />006507 <br />04/24/2017 <br />04/24/2018 <br />006510 <br />06/01/2017 <br />06/01/2018 <br />007310 <br />CCCREPITEnO <br />�-A • ! 1 d . il, 1 9 <br />11/17/2017 11:12:19AM Page 1 of 3 D0001.8410 Rev A <br />