{"id":197442,"date":"2024-10-19T12:34:02","date_gmt":"2024-10-19T12:34:02","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asa-s12-12-1992-r2017\/"},"modified":"2024-10-25T05:07:38","modified_gmt":"2024-10-25T05:07:38","slug":"asa-s12-12-1992-r2017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asa\/asa-s12-12-1992-r2017\/","title":{"rendered":"ASA S12.12 1992 R2017"},"content":{"rendered":"

None<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
7<\/td>\n1 INTRODUCTION ….. ….. ……………………………………………………………………………. ………………………. ..
\n 2 SCOPE ………………………….. …….. ….. .. ………….. ….. …………………………………………………………………… .
\n 2. 1 General
2.2 Field of Application
2.3 Measurement Uncertainty
3 DEFINITIONS <\/td>\n<\/tr>\n
10<\/td>\n4 TEST ENVIRONMENT
4.1 General
4.2 Guidelines on the Test Environment
4.2.1 Physical site
4.2.2 Atmospheric conditions
4.2.3 Background noise
5 INSTRUMENTATION
5. 1 General <\/td>\n<\/tr>\n
11<\/td>\n5.2 Sound Pressure Microphone and Associated Cables
5.3 Sound Intensity Probe and Associated Cables
5.4 Frequency Response of Instrumentation System
5.5 Frequency Analyzer and Weighting Network <\/td>\n<\/tr>\n
12<\/td>\n5.6 Transducer and Instrumentation System Calibration
5.7 Performance Verification
5.8 Field Check
6 INSTALLATION AND OPERATION OF SOURCE
6.1 General <\/td>\n<\/tr>\n
13<\/td>\n6.2 Installation of Source
6.3 Auxiliary Equipment
6.4 Operation of Source During Test
7 DETERMINATION OF SOUND INTENSITY AND SOUND PRESSURE LEVELS
\n ON MEASUREMENT SURFACE
7 .1 General
7 .1 .1 Measurement Surface
7 .1 .2 Shape of Measurement Surface <\/td>\n<\/tr>\n
14<\/td>\n7 .1.3 Size of Measurement Surface
7. 1 .4 Placement \u00b7and Orientation of Measurement Surface
7 .2 Sampling of Sound on Measurement Surface
7.2.1 Measurement at Fixed Points
7.2.2 Scanning of Surface Segments <\/td>\n<\/tr>\n
15<\/td>\n7.2.2.1 General
7.2.2.2 Scanning Procedures
7.3 Reduction of Number of Measurement Locations <\/td>\n<\/tr>\n
16<\/td>\nV
\n vi CONTENTS
\n 7.4 Conditions of Measurements
7 .4.1 General
7.4.2 Measurements with Exponential Averaging or Time-Period Averaging Systems
8 CALCULATION OF RADIATION QUANTITIES <\/td>\n<\/tr>\n
17<\/td>\n8.1 Sound Intensity and Intensity Level Averaged Over Measurement Surface
8.2 Sound Pressure Level Averaged Over Measurement Surface
8.3 Data Quality Indicators
8.4 Sound Power Level
9 INFORMATION TO BE RECORDED
9.1 Sound Source Under Test <\/td>\n<\/tr>\n
18<\/td>\n9.2 Test Environment
9.3 Instrumentation
9.4 Measurement Technique
9.5 Acoustical Data
10 INFORMATION TO BE REPORTED <\/td>\n<\/tr>\n
19<\/td>\nAPPENDIX A: COMPUTATIONAL PROCEDURES FOR CALCULATING A-WEIGHTED
\n SOUND POWER LEVEL FROM OCTAVE OR ONE-THIRD OCTAVE BAND
\n SOUND POWER LEVELS
APPENDIX B: DATA QUALITY INDICATORS <\/td>\n<\/tr>\n
20<\/td>\nB.1 Source and Background Level Variability Indicators, 01
B.2 Parasitic Noise Level Indicators, 02 <\/td>\n<\/tr>\n
22<\/td>\nB.3 Surface Averaging Accuracy Indicators, 03
B.4 Sound Power Accuracy Indicators, 04
B.5 Phase Indicators, 05 <\/td>\n<\/tr>\n
23<\/td>\nB.6 Averaging Time Sufficiency Indicators, 06
B.7 Measurement Interference Indicators, 07 <\/td>\n<\/tr>\n
24<\/td>\nBIBLIOGRAPHY <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ANSI\/ASA S12.12-1992 (R2017) American National Standard Engineering Method for the Determination of Sound Power Levels of Noise Sources Using Sound Intensity<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASA<\/b><\/a><\/td>\n1992<\/td>\n25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":197447,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2652],"product_tag":[],"class_list":{"0":"post-197442","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asa","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/197442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/197447"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=197442"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=197442"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=197442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}