{"id":229,"date":"2026-07-22T14:35:24","date_gmt":"2026-07-22T06:35:24","guid":{"rendered":"https:\/\/www.ronglitong.com\/?p=229"},"modified":"2026-07-23T13:30:18","modified_gmt":"2026-07-23T05:30:18","slug":"120-single%e2%80%91axis-high-precision-fog","status":"publish","type":"post","link":"https:\/\/www.ronglitong.com\/zh-cht\/product\/120-single%e2%80%91axis-high-precision-fog\/","title":{"rendered":"120 Single\u2011Axis High Precision FOG"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053006_132.jpg\" alt=\"\" class=\"wp-image-350\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053006_132.jpg 700w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053006_132-300x300.jpg 300w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053006_132-150x150.jpg 150w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-1054f1a45444fce4e6f2df7405148eb7\"><strong>Overview<\/strong><\/p>\n\n\n\n<p>The 120 single\u2011axis FOG is a high precision angular rate sensor based on the Sagnac effect. It uses a single\u2011axis design to measure real\u2011time angular motion relative to inertial space. With an all\u2011solid\u2011state package and no moving parts, it delivers an ultra\u2011high measurement accuracy of 0.001\u00b0\/h, excellent long\u2011term stability, and low drift. It is a critical core component for high\u2011precision inertial navigation, precision stabilization control, and accurate attitude measurement.<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-d9b920dd56629ee7924fd6aad26bb44a\"><strong>Product Features<\/strong><\/p>\n\n\n\n<p><strong>\u25cf<strong>&nbsp;<\/strong>All\u2011solid\u2011state design, long life, high reliability<\/strong><\/p>\n\n\n\n<p>No mechanical wear, resistant to shock and vibration, quick startup with no warm\u2011up time.<\/p>\n\n\n\n<p><strong>\u25cf<strong>&nbsp;<\/strong>Ultra\u2011high precision, stable performance<\/strong><\/p>\n\n\n\n<p>Bias stability of 0.001\u00b0\/h (100s smoothing).<\/p>\n\n\n\n<p><strong>\u25cf<strong>&nbsp;<\/strong>Low power consumption, wide dynamic range<\/strong><\/p>\n\n\n\n<p>Typical power consumption < 4W, measurement range up to \u00b1300\u00b0\/s, suitable for various complex motion conditions.<\/p>\n\n\n\n<p><strong>\u25cf<strong>&nbsp;<\/strong>Excellent full\u2011temperature performance<\/strong><\/p>\n\n\n\n<p>Bias stability \u2264 0.003\u00b0\/h (with compensation) under 1\u00b0C\/min temperature ramp.<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-04a126c91f42e34172a99d655668cbcd\"><strong>Applications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Strapdown inertial navigation systems (SINS)<\/li>\n\n\n\n<li>North\u2011finding systems<\/li>\n\n\n\n<li>Orientation and positioning systems<\/li>\n\n\n\n<li>High\u2011precision control platforms<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-5eff430e999fe0d76fc6b23173133fe6\"><strong>Technical Specifications<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-cyan-bluish-gray-border-color\" style=\"border-width:1px\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Unit<\/strong><\/td><td><strong>Requirement<\/strong><\/td><\/tr><tr><td>Dimensions<\/td><td>mm<\/td><td>120 \u00d7 120 \u00d7 38 (L \u00d7 W \u00d7 H)<\/td><\/tr><tr><td>Startup Time<\/td><td>s<\/td><td>< 3<\/td><\/tr><tr><td>Bias Stability (Room Temp, Constant Temp)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.001 (100s smoothing)<\/td><\/tr><tr><td>Bias Repeatability (Room Temp)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>Bias Stability Under Temperature Ramp (1\u00b0C\/min, 100s smoothing)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.003 (with compensation)<\/td><\/tr><tr><td>Bias Magnetic Sensitivity<\/td><td>(\u00b0)\/h\/Gs<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>Angle Random Walk<\/td><td>\u00b0\/\u221ah<\/td><td>\u2264 0.0015<\/td><\/tr><tr><td>Scale Factor Stability (Room Temp)<\/td><td>ppm<\/td><td>\u2264 1<\/td><\/tr><tr><td>Scale Factor Repeatability (Room Temp)<\/td><td>ppm<\/td><td>\u2264 1<\/td><\/tr><tr><td>Scale Factor Stability (Full Temp)<\/td><td>ppm<\/td><td>\u2264 10 (with compensation)<\/td><\/tr><tr><td>Bandwidth<\/td><td>Hz<\/td><td>\u2265 200<\/td><\/tr><tr><td>Operating Temperature<\/td><td>\u00b0C<\/td><td>-45 ~ +70<\/td><\/tr><tr><td>Storage Temperature<\/td><td>\u00b0C<\/td><td>-55 ~ +85<\/td><\/tr><tr><td>Dynamic Range<\/td><td>(\u00b0)\/s<\/td><td>\u00b1300<\/td><\/tr><tr><td>Supply Voltage<\/td><td>V<\/td><td>+5<\/td><\/tr><tr><td>Steady-State Power Consumption<\/td><td>W<\/td><td>\u2264 4<\/td><\/tr><tr><td>Threshold<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.001<\/td><\/tr><tr><td>Misalignment Angle (Room Temp)<\/td><td>(\u2018)<\/td><td>\u2264 1<\/td><\/tr><tr><td>Bias Variation During Vibration (vs. pre\/post vibration)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.002<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Overview The 120 single\u2011axis FOG is a high precision angular rate sensor based on the Sagnac effect. It uses a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5,4],"tags":[],"class_list":["post-229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fiber-optic-gyroscope","category-product"],"_links":{"self":[{"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts\/229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/comments?post=229"}],"version-history":[{"count":5,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts\/229\/revisions"}],"predecessor-version":[{"id":351,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts\/229\/revisions\/351"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/media\/350"}],"wp:attachment":[{"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/media?parent=229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/categories?post=229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/tags?post=229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}