{"id":8518,"date":"2026-03-20T10:15:13","date_gmt":"2026-03-20T03:15:13","guid":{"rendered":"https:\/\/eplusi.net\/?p=8518"},"modified":"2026-04-14T10:24:34","modified_gmt":"2026-04-14T03:24:34","slug":"e-sensor-slave-noise-octave-noise-analysis","status":"publish","type":"post","link":"https:\/\/eplusi.net\/en\/products\/e-sensor-slave-noise-octave-noise-analysis\/","title":{"rendered":"E-Sensor Slave Noise Octave"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8518\" class=\"elementor elementor-8518\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2177ede elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2177ede\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fc40b4\" data-id=\"4fc40b4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9211120 elementor-widget elementor-widget-text-editor\" data-id=\"9211120\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif;\">B\u1ed9 c\u1ea3m bi\u1ebfn kh\u00f4ng d\u00e2y E-Sensor<sup>\u00ae<\/sup> Slave Noise Pro \u0111o \u0111\u1ed9 \u1ed3n hay c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed \u0111\u1ed9 ch\u00ednh x\u00e1c cao theo ti\u00eau chu\u1ea9n IEC 61672:2013 -Class 1. C\u1ea3m bi\u1ebfn \u0111\u1ed9 tin c\u1eady cao, \u1ed5n \u0111\u1ecbnh, d\u1ea3i \u0111o r\u1ed9ng, kh\u00f4ng c\u1ea7n chuy\u1ec3n d\u1ea3i, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111o ti\u1ebfng \u1ed3n m\u00e1y m\u00f3c, ph\u01b0\u01a1ng ti\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111o ti\u1ebfng \u1ed3n trong c\u00f4ng nghi\u1ec7p, ho\u1eb7c s\u1eed d\u1ee5ng \u0111o ti\u1ebfng \u1ed3n m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng v\u00e0 v\u1ec7 sinh c\u00f4ng nghi\u1ec7p v.v. C\u1ea3m bi\u1ebfn k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 trung t\u00e2m E-Sensor<sup>\u00ae<\/sup> Master qua s\u00f3ng kh\u00f4ng d\u00e2y tr\u00ean t\u1ea7n s\u1ed1 433Mhz \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u online. Kho\u1ea3ng c\u00e1ch truy\u1ec1n nh\u1eadn t\u1eeb b\u1ed9 c\u1ea3m bi\u1ebfn t\u1edbi b\u1ed9 trung t\u00e2m 100 &#8211; 300m v\u1edbi s\u00f3ng RF433Mhz, kho\u1ea3ng c\u00e1ch 100 &#8211; 1000m v\u1edbi s\u00f3ng Lora 433Mhz (line of sight).<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-91dd7b6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"91dd7b6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-14f1741\" data-id=\"14f1741\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7b0cda elementor-widget elementor-widget-text-editor\" data-id=\"c7b0cda\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t \u0111\u1ed9 \u1ed3n online<\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9468cc3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9468cc3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-88fedb7\" data-id=\"88fedb7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a0708b elementor-widget elementor-widget-image\" data-id=\"4a0708b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"620\" height=\"181\" src=\"https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis-1024x299.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis-1024x299.png 1024w, https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis-300x87.png 300w, https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis-768x224.png 768w, https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis-18x5.png 18w, https:\/\/eplusi.net\/wp-content\/uploads\/2026\/03\/So-do-hoat-dong-e-sensor-slave-noise-octave-analysis.png 1389w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b913cdf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b913cdf\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-132fce8\" data-id=\"132fce8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1db285a elementor-widget elementor-widget-text-editor\" data-id=\"1db285a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">Bi\u1ec3u \u0111\u1ed3 ti\u1ebfng \u1ed3n gi\u00e1m s\u00e1t online<\/span><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f4456a3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f4456a3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-982d908\" data-id=\"982d908\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b521d9e elementor-widget elementor-widget-image\" data-id=\"b521d9e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"620\" height=\"265\" src=\"https:\/\/eplusi.net\/wp-content\/uploads\/2025\/12\/Noise-graph-eplusi.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/eplusi.net\/wp-content\/uploads\/2025\/12\/Noise-graph-eplusi.jpg 685w, https:\/\/eplusi.net\/wp-content\/uploads\/2025\/12\/Noise-graph-eplusi-300x128.jpg 300w, https:\/\/eplusi.net\/wp-content\/uploads\/2025\/12\/Noise-graph-eplusi-18x8.jpg 18w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ef45a52 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ef45a52\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf9ec26\" data-id=\"cf9ec26\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e8f1ee elementor-widget elementor-widget-text-editor\" data-id=\"4e8f1ee\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<p><strong><span style=\"font-family: arial, helvetica, sans-serif;\">B\u1ea3ng tham kh\u1ea3o ti\u1ebfng \u1ed3n trong kh\u00f4ng kh\u00ed<\/span><\/strong><\/p><table border=\"1\" cellspacing=\"1\" cellpadding=\"1\"><tbody><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>\u0110\u1ed9 \u1ed3n &#8211; Decibel (dB)<\/strong><\/span><\/td><td><p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>\u00a0T\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh<\/strong><\/span><\/p><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a00 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Ho\u00e0n to\u00e0n kh\u00f4ng nghe th\u1ea5y \u00e2m thanh<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">10 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0H\u01a1i th\u1edf c\u1ee7a ch\u00fang ta<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">20 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Ti\u1ebfng l\u00e1 r\u01a1i<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">30 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Ti\u1ebfng l\u00e1 x\u00e0o x\u1ea1c<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">40 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Ti\u1ebfng th\u00ec th\u1ea7m<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">50 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0L\u01b0\u1ee3ng m\u01b0a v\u1eeba ph\u1ea3i\u00a0<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">60 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Cu\u1ed9c n\u00f3i chuy\u1ec7n b\u00ecnh th\u01b0\u1eddng\u00a0<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">70 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0V\u0103n ph\u00f2ng \u1ed3n \u00e0o, si\u00eau th\u1ecb, ti\u1ebfng \u1ed3n ngo\u00e0i \u0111\u01b0\u1eddng<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">80 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0H\u1ed9i tr\u01b0\u1eddng \u1ed3n \u00e0o, nh\u00e0 in\u00a0<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">90 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">110 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Ti\u1ebfng nh\u1ea1c Rock<\/span><\/td><\/tr><tr><td><span style=\"font-family: arial, helvetica, sans-serif;\">130 dB<\/span><\/td><td><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0Phi c\u01a1 c\u1ea5t c\u00e1nh, c\u00f2i xe c\u1ee9u h\u1ecfa<\/span><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":8532,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"categories":[28,37,32,24],"tags":[182,43,142,40,44,165,51,166],"_links":{"self":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8518"}],"collection":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/comments?post=8518"}],"version-history":[{"count":11,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8518\/revisions"}],"predecessor-version":[{"id":8533,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/8518\/revisions\/8533"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media\/8532"}],"wp:attachment":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media?parent=8518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/categories?post=8518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/tags?post=8518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}