{"id":224,"date":"2026-07-22T14:19:03","date_gmt":"2026-07-22T06:19:03","guid":{"rendered":"https:\/\/www.ronglitong.com\/?p=224"},"modified":"2026-07-23T13:31:27","modified_gmt":"2026-07-23T05:31:27","slug":"70-tri%e2%80%91axis-high-precision-fog","status":"publish","type":"post","link":"https:\/\/www.ronglitong.com\/zh-cht\/product\/70-tri%e2%80%91axis-high-precision-fog\/","title":{"rendered":"70 Tri\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_053052_614.jpg\" alt=\"\" class=\"wp-image-352\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053052_614.jpg 700w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053052_614-300x300.jpg 300w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_053052_614-150x150.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 70 Tri\u2011axis FOG is a high\u2011precision angular rate sensor based on the Sagnac effect. It integrates three sensitive axes, enabling real\u2011time three\u2011axis angular motion sensing relative to inertial space. All\u2011solid\u2011state, with no moving parts, it delivers accurate and stable output with high reliability and wide dynamic range. It is a core component for inertial navigation, stabilization control, and 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> <\/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> <\/strong>Medium precision, stable performance<\/strong><\/p>\n\n\n\n<p>Bias stability of 0.03\u00b0\/h (10s, 1\u03c3), meeting the requirements for medium\u2011precision inertial navigation applications.<\/p>\n\n\n\n<p><strong>\u25cf<strong> <\/strong>Low power consumption, wide dynamic range<\/strong><\/p>\n\n\n\n<p>Typical power consumption < 4.5W, measurement range up to \u00b1300\u00b0\/s, suitable for various complex motion conditions.<\/p>\n\n\n\n<p><strong>\u25cf<strong> <\/strong>Three\u2011axis integrated design<\/strong><\/p>\n\n\n\n<p>Compact size, easy system integration, reduced installation errors.<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-d2752399496685aa7ade09fbf7109a22\"><strong>Typical Applications<\/strong><\/p>\n\n\n\n<p><strong>\u25cf<strong> <\/strong>Aviation<\/strong><\/p>\n\n\n\n<p>UAVs, flight control systems, electro\u2011optical pod stabilization.<\/p>\n\n\n\n<p><strong>\u25cf<strong> <\/strong>Land and rail transportation<\/strong><\/p>\n\n\n\n<p>UGVs, high\u2011speed rail track inspection, mining roadheader navigation, platform stabilization systems.<\/p>\n\n\n\n<p><strong>\u25cf<strong> <\/strong>Marine and underwater<\/strong><\/p>\n\n\n\n<p>USVs, AUVs, hydrographic surveying and motion compensation.<\/p>\n\n\n\n<p>\u25cf<strong> Industrial and communications<\/strong><\/p>\n\n\n\n<p>Servo tracking, surveying systems, attitude reference systems (AHRS).<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-ac12c2f07911d66cb8b1adbf29f9317e\"><strong>Technical specifications:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-border-color has-cyan-bluish-gray-border-color\" style=\"border-style:solid;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>100 \u00d7 95 \u00d7 85.5 (L \u00d7 W \u00d7 H)<\/td><\/tr><tr><td>Startup Time<\/td><td>s<\/td><td>< 3<\/td><\/tr><tr><td>Continuous Operating Time<\/td><td>h<\/td><td>\u2265 10<\/td><\/tr><tr><td>Bias Stability (Room Temp, Constant Temp)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.03 (10s smoothing); \u2264 0.01 (100s smoothing)<\/td><\/tr><tr><td>Bias Stability (Full-Temp)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.06<\/td><\/tr><tr><td>Bias Stability Under Temperature Ramp (1\u00b0C\/min, 100s smoothing)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.03<\/td><\/tr><tr><td>Bias Repeatability<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.01<\/td><\/tr><tr><td>Bias Magnetic Sensitivity<\/td><td>(\u00b0)\/h\/Gs<\/td><td>\u2264 0.05<\/td><\/tr><tr><td>Angle Random Walk<\/td><td>\u00b0\/\u221ah<\/td><td>\u2264 0.003<\/td><\/tr><tr><td>Scale Factor Nonlinearity<\/td><td>ppm<\/td><td>\u2264 10<\/td><\/tr><tr><td>Scale Factor Asymmetry<\/td><td>ppm<\/td><td>\u2264 5<\/td><\/tr><tr><td>Scale Factor Repeatability (Full Temp, -55\u00b0C ~ +75\u00b0C, tested at 20\u00b0C intervals)<\/td><td>ppm<\/td><td>\u2264 40<\/td><\/tr><tr><td>Bandwidth<\/td><td>Hz<\/td><td>\u2265 200<\/td><\/tr><tr><td>Operating Temperature<\/td><td>\u00b0C<\/td><td>-55 ~ +75<\/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>\u00b1500<\/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 4.5<\/td><\/tr><tr><td>Steady-State Power Consumption (Full Temp)<\/td><td>W<\/td><td>\u2264 8<\/td><\/tr><tr><td>Startup Inrush Current<\/td><td>A<\/td><td>< 2<\/td><\/tr><tr><td>Bias Stability During Startup (within first 5 min)<\/td><td>(\u00b0)\/h<\/td><td>\u2264 0.01<\/td><\/tr><tr><td>Scale Factor<\/td><td>Bit\/(\u00b0)<\/td><td>(2.8 \u00b1 0.15) \u00d7 10\u2077<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Overview The 70 Tri\u2011axis FOG is a high\u2011precision angular rate sensor based on the Sagnac effect. It integrates three sensitive [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":352,"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-224","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\/224","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=224"}],"version-history":[{"count":5,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts\/224\/revisions"}],"predecessor-version":[{"id":353,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/posts\/224\/revisions\/353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/media\/352"}],"wp:attachment":[{"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/media?parent=224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/categories?post=224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ronglitong.com\/zh-cht\/wp-json\/wp\/v2\/tags?post=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}