{"id":918,"date":"2025-08-26T16:44:44","date_gmt":"2025-08-26T07:44:44","guid":{"rendered":"https:\/\/acoustic-measurement.com\/?post_type=technology&#038;p=918"},"modified":"2025-08-08T16:48:59","modified_gmt":"2025-08-08T07:48:59","slug":"why-measurement-rooms-and-measurement-instruments","status":"publish","type":"technology","link":"https:\/\/acoustic-measurement.com\/en\/technology\/why-measurement-rooms-and-measurement-instruments\/","title":{"rendered":"Why Measurement Rooms and Measurement Instruments Must Be Designed Together \u2014 Managing Environmental Noise and Instrument Precision as a Unified System \u2014"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introduction: Hidden Factors That Distort Precision Measurements<\/h2>\n\n\n\n<p>In acoustic, vibration, and NVH testing, high-end instruments alone cannot guarantee accurate results.<br>Surprisingly, many measurement errors originate not from devices themselves, but from the <strong>measurement environment<\/strong>\u2014the room.<\/p>\n\n\n\n<p>At Moritani, we help clients resolve these challenges by combining the sensing expertise of <strong>HBK (Hottinger Br\u00fcel &amp; Kj\u00e6r)<\/strong> with the acoustic facility design of <strong>Sonora Technology<\/strong>, forming a complete solution that maximizes performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where Do Measurement Errors Really Come From?<\/h2>\n\n\n\n<p>Even with precision instruments, poor room conditions can introduce serious issues such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00b13 dB fluctuations in sound pressure depending on microphone position<\/li>\n\n\n\n<li>Intrusive ambient noise contaminating test data<\/li>\n\n\n\n<li>Vibrations from the floor interfering with accelerometers<\/li>\n\n\n\n<li>Structure-borne noise causing false positives or waveform distortions<\/li>\n<\/ul>\n\n\n\n<p>These problems are not device-related\u2014they are <strong>space-related<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Moritani\u2019s Total Solution: HBK \u00d7 Sonora<\/h2>\n\n\n\n<p>We offer integrated solutions combining measurement instruments and tailored acoustic environments:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ISO-Compliant Sound Power Testing<\/h3>\n\n\n\n<p><strong>SPAC (Sound Power Anechoic Chamber) \u00d7 HBK microphones &amp; FFT analyzers<br><\/strong>\u2192 Achieves true inverse-square law behavior and 1\/3-octave band accuracy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NVH Evaluation with VSAC<\/h3>\n\n\n\n<p><strong>VSAC \u00d7 torque sensors \u00d7 accelerometers<br><\/strong>\u2192 Simultaneous analysis of drive unit torque fluctuation and noise behavior.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Acoustic End-of-Line Testing with AEB<\/h3>\n\n\n\n<p><strong>AEB \u00d7 PULSE analyzer<br><\/strong>\u2192 Suitable for high-volume testing of smart speakers, MEMS microphones, communication modules, etc.<\/p>\n\n\n\n<p>Each space is specifically designed to <strong>support and extend the precision of HBK instruments<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>From Instruments to Systems<\/strong><\/h2>\n\n\n\n<p>\u7cbeWhat matters in precision acoustics isn\u2019t just the quality of the sensors\u2014it\u2019s <strong>how they\u2019re used in the right space<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduce measurement error through room design<\/li>\n\n\n\n<li>Ensure reproducibility by controlling the test environment<\/li>\n\n\n\n<li>Precision begins with silence<\/li>\n<\/ul>\n\n\n\n<p>At Moritani, we deliver not just products, but <strong>fully integrated measurement systems<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Contact Us<\/strong><\/h2>\n\n\n\n<p>If your team is facing any of the following challenges, we invite you to consult with Moritani:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Need to improve measurement accuracy<\/li>\n\n\n\n<li>Want to optimize HBK devices in real-world environments<\/li>\n\n\n\n<li>Planning to build or retrofit an acoustic test room<\/li>\n\n\n\n<li>Preparing for ISO-compliant measurement certification<\/li>\n<\/ul>\n\n\n\n<p>\u25b6 <strong>[<a href=\"https:\/\/acoustic-measurement.com\/en\/contact\/\"><strong>Contact Us Here<\/strong><\/a>]<\/strong><\/p>\n\n\n\n<div class=\"btn_area\">\n<p class=\"btn_style black\"><a href=\"https:\/\/acoustic-measurement.com\/en\/solution\/aeb\/\">Learn more about Simplified Performance Testing Using Anechoic Box + Sound Level Meter<\/a><\/p>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction: Hidden Factors That Distort Precision Measurements In acoustic, vibration, and NVH testing, high-end instruments alone cannot guarantee accurate results.Surprisingly, many measurement errors originate not from devices themselves, but from the measurement environment\u2014the room. At Moritani, we help clients resolve these challenges by combining the sensing expertise of HBK (Hottinger Br\u00fcel &amp; Kj\u00e6r) with the [&hellip;]<\/p>\n","protected":false},"featured_media":917,"parent":0,"template":"","solution_cat":[4,2],"class_list":["post-918","technology","type-technology","status-publish","has-post-thumbnail","hentry","solution_cat-tax_aeb","solution_cat-tax_power","en-US"],"acf":[],"_links":{"self":[{"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/technology\/918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/technology"}],"about":[{"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/types\/technology"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/media\/917"}],"wp:attachment":[{"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/media?parent=918"}],"wp:term":[{"taxonomy":"solution_cat","embeddable":true,"href":"https:\/\/acoustic-measurement.com\/wp-json\/wp\/v2\/solution_cat?post=918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}