{"id":2481,"date":"2025-04-11T17:33:02","date_gmt":"2025-04-11T09:33:02","guid":{"rendered":"https:\/\/chnsensor.com\/?p=2481"},"modified":"2025-07-10T11:36:14","modified_gmt":"2025-07-10T03:36:14","slug":"all-about-float-level-switch","status":"publish","type":"post","link":"https:\/\/chnsensor.com\/hi\/all-about-float-level-switch\/technical-support\/","title":{"rendered":"\u092b\u094d\u0932\u094b\u091f \u0932\u0947\u0935\u0932 \u0938\u094d\u0935\u093f\u091a \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0938\u092c \u0915\u0941\u091b"},"content":{"rendered":"<h2 class=\"wp-block-heading has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--30)\">1.The working principle of float level switch<\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-dbcb1066c5eb4f0b888c8c2719d9de81 wp-block-paragraph\" style=\"padding-bottom:0\"><strong>1.1 Buoyancy principle<\/strong><\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-2798e41333fdaf877e967e5d2d505e19 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--10)\">The float level switch is based on the float movement caused by the rise or fall of the level, and then controls the switching state of the circuit by mechanical or electronic means. Float level switch is mainly composed of float ball, lever, micro switch, etc. When the liquid level changes, the float ball moves with it, and triggers the micro switch through the lever mechanism, thus changing the on-off state of the circuit1.2<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-73fe4eef6124a4af0bb00cec8e0ba906 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\"><strong>1.2 Control mode<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\"><strong>Single point control<\/strong>\uff1aTrigger switch action (on or off) at specific level points with a single float switch<\/li>\n\n\n\n<li class=\"has-normal-font-size\"><strong>Multipoint control\uff1a<\/strong>Multiple float switches or a single float with multiple reed tubes trigger multiple signals at different level points<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--20)\">2.Classification and structure comparison<\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-f48e5f5dcc07dbaa927430c775e20f04 wp-block-paragraph\" style=\"padding-bottom:var(--wp--preset--spacing--20)\">According to the installation method and functional requirements, the float level switch can be divided into three categories:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-f76348595e11d942c80e33a5c88f227d wp-block-paragraph\" style=\"padding-top:0;padding-bottom:0\"><strong>2.1 Side mounted float switch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-48b4fbabbb2e12ad31c0f15e64503259\" style=\"padding-top:0;padding-right:0;padding-bottom:var(--wp--preset--spacing--10);padding-left:0\"><strong>Structure<\/strong>: The float ball is connected with the magnetic switch (reed tube) through the lever arm and is installed on the side wall of the container.<\/li>\n\n\n\n<li class=\"has-normal-font-size\"><strong>Features<\/strong>: Easy to install, suitable for small and medium-sized containers, low cost. <\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-8e3c0219ef0f07e3ed50f46658978e38 wp-block-paragraph\" style=\"padding-bottom:var(--wp--preset--spacing--10)\"><strong>2.2 Cable float level switch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-1cfbd910e48ee508611adbe6d55582dd\" style=\"padding-top:0;padding-bottom:0\">Structure: The floating ball is connected to the weight through a flexible cable. The end of the cable is fixed with a reed tube. The floating ball moves up and down with the liquid level to trigger the magnetic switch.<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10)\">Application: In vertical installation scenarios such as deep Wells, sewage ponds, and water tanks, the cable length is adjustable.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-d1ce30e8c0a1f364d48a757ba1c5f507 wp-block-paragraph\" style=\"padding-bottom:var(--wp--preset--spacing--10)\"><strong>2.3 Reed tube float level switch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-dab5cbfb6193e8d1ee8a3928a9503a7b\">Structure:The float is suspended vertically by connecting rod, reed tube or contact mechanism mounted on top, rod length can be customized (up to several meters).<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10)\">Advantages: not affected by the precipitation of the medium, suitable for deep liquid level measurement, multi-stage series to achieve multi-point control.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\" style=\"margin-top:0;margin-bottom:var(--wp--preset--spacing--10)\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" data-attachment-id=\"2496\" data-permalink=\"https:\/\/chnsensor.com\/hi\/%e6%b5%ae%e7%90%83-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?fit=1200%2C800&amp;ssl=1\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Float Level Sensor\" data-image-description=\"&lt;p&gt;Float level switch through the buoyancy principle to achieve liquid level detection &amp;#8211; when the liquid level rises or falls, the float floats with the liquid, driving the internal mechanical mechanism to trigger the switch signal, suitable for water tank, oil tank automatic water supply or drainage control, to prevent overflow or dry burning.&lt;\/p&gt;\" data-image-caption=\"&lt;p&gt;The switch through the internal float ball with the liquid level rise and fall displacement change, drive the mechanical connecting rod or magnetic mechanism to trigger the micro switch or reed tube, output switching signal. Its structure is simple and reliable, can accurately set the action point, suitable for all kinds of water tanks, oil tank level monitoring, can effectively achieve automatic water refill, drainage control, prevent storage tank overflow or idle pump body, in the industrial circulating water system, central air conditioning cooling tower and other scenes play a key role in protection.&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?fit=1024%2C683&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?resize=1024%2C683&#038;ssl=1\" alt=\"\" class=\"wp-image-2496\" style=\"width:508px;height:auto\" srcset=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-2.png?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\" style=\"margin-top:var(--wp--preset--spacing--30)\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"683\" data-attachment-id=\"2497\" data-permalink=\"https:\/\/chnsensor.com\/hi\/%e7%94%b5%e7%bc%86%e5%bc%8f%e6%b6%b2%e4%bd%8d%e4%bc%a0%e6%84%9f%e5%99%a8\/\" data-orig-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?fit=1200%2C800&amp;ssl=1\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Cable Float Level Switch\" data-image-description=\"&lt;p&gt;Float level switch through the buoyancy principle to achieve liquid level detection &amp;#8211; when the liquid level rises or falls, the float floats with the liquid, driving the internal mechanical mechanism to trigger the switch signal, suitable for water tank, oil tank automatic water supply or drainage control, to prevent overflow or dry burning.&lt;\/p&gt;\" data-image-caption=\"&lt;p&gt;The switch through the internal float ball with the liquid level rise and fall displacement change, drive the mechanical connecting rod or magnetic mechanism to trigger the micro switch or reed tube, output switching signal. Its structure is simple and reliable, can accurately set the action point, suitable for all kinds of water tanks, oil tank level monitoring, can effectively achieve automatic water refill, drainage control, prevent storage tank overflow or idle pump body, in the industrial circulating water system, central air conditioning cooling tower and other scenes play a key role in protection.&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?fit=1024%2C683&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?resize=1024%2C683&#038;ssl=1\" alt=\"\" class=\"wp-image-2497\" style=\"width:505px;height:auto\" srcset=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E7%94%B5%E7%BC%86%E5%BC%8F%E6%B6%B2%E4%BD%8D%E4%BC%A0%E6%84%9F%E5%99%A8.png?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\" style=\"margin-top:var(--wp--preset--spacing--30)\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"683\" data-attachment-id=\"2495\" data-permalink=\"https:\/\/chnsensor.com\/hi\/%e6%b5%ae%e7%90%83-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?fit=1200%2C800&amp;ssl=1\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Float Switch For Water Tank\" data-image-description=\"&lt;p&gt;Float level switch through the buoyancy principle to achieve liquid level detection &amp;#8211; when the liquid level rises or falls, the float floats with the liquid, driving the internal mechanical mechanism to trigger the switch signal, suitable for water tank, oil tank automatic water supply or drainage control, to prevent overflow or dry burning.&lt;\/p&gt;\" data-image-caption=\"&lt;p&gt;The switch through the internal float ball with the liquid level rise and fall displacement change, drive the mechanical connecting rod or magnetic mechanism to trigger the micro switch or reed tube, output switching signal. Its structure is simple and reliable, can accurately set the action point, suitable for all kinds of water tanks, oil tank level monitoring, can effectively achieve automatic water refill, drainage control, prevent storage tank overflow or idle pump body, in the industrial circulating water system, central air conditioning cooling tower and other scenes play a key role in protection.&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?fit=1024%2C683&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?resize=1024%2C683&#038;ssl=1\" alt=\"\" class=\"wp-image-2495\" style=\"width:511px;height:auto\" srcset=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/04\/%E6%B5%AE%E7%90%83-1.png?w=1200&amp;ssl=1 1200w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--10)\">3.Select key parameter expansion<\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-776ecb7413dc3c0ae0d269847a94d0bf wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:0\">3.1.Medium characteristic<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\">Corrosive liquids should be made of stainless steel (such as 304\/316L) or PP float.<\/li>\n\n\n\n<li class=\"has-normal-font-size\">Viscous liquids (such as oil) need to increase the float diameter or shorten the guide bar spacing.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-e9765b7242f91739e88fdd65838e722e wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:0\">3.2.Environmental requirement<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:0;padding-bottom:var(--wp--preset--spacing--10)\">Temperature range: Standard type is suitable for -20\u2103~80\u2103, high temperature type can withstand 150\u2103 (need to customize ceramic reed tube)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-42c6d8d9fae47948a157a0dbbdba7ec7 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\">3.3.Installation mode<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\">Horizontal side installation, vertical top installation, or bottom installation, depending on the container structure.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--10)\">4.Installation and maintenance operations guide<\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-52bbe1bd3b787fbb43cebc08fe4d7464 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\">4.1.Installation precautions<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:0;padding-bottom:0\"><strong>Avoid the disturbance area:<\/strong> keep away from the liquid inlet and agitator to prevent the liquid level fluctuation from triggering mistakenly.<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\"><strong>Calibrate the water level:<\/strong> Before installation, use a multimeter to check the on-off status of the reed pipe and ensure that it is consistent with the actual liquid level (the density difference should be compensated in high temperature environment).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-d277150b52c559673e0f971a4c4b5e13 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\">4.2.Troubleshooting process<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\"><strong>Float stuck:<\/strong> Remove the cleaning guide rod and check whether the medium is crystalline or contains particles<\/li>\n\n\n\n<li class=\"has-normal-font-size\"><strong>Abnormal signal:<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-0a4f542f958534f200cddf2cbb082d5c wp-block-paragraph\" style=\"padding-top:0;padding-bottom:0\">Measure the resistance of the reed tube. If the resistance is too high, the contact oxidizes and needs to be replaced.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-dbc969a4640ccd6334b6fc460ad899a2 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\">Check whether the cable insulation layer is damaged (explosion-proof sealing is required in mining scenarios)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.Explore our product line<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><ul style=\"font-size:clamp(20px, 1.25rem + ((1vw - 3.2px) * 1.364), 32px);border-style:none;border-width:0px\" class=\"wp-block-categories-list wp-block-categories-taxonomy-product_cat wp-block-categories\">\t<li class=\"cat-item cat-item-132618\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/float-level-switch\/\">\u092b\u093c\u094d\u0932\u094b\u091f \u0938\u094d\u0924\u0930 \u0938\u094d\u0935\u093f\u091a<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-133083\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/flow-meter\/\">\u092b\u094d\u0932\u094b \u092e\u0940\u091f\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132600\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/flow-sensor\/\">\u092a\u094d\u0930\u0935\u093e\u0939 \u0938\u0947\u0902\u0938\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132604\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/flow-switches\/\">\u092a\u094d\u0930\u0935\u093e\u0939 \u0938\u094d\u0935\u093f\u091a<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132654\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/magnetic-reed-switch\/\">\u091a\u0941\u0902\u092c\u0915\u0940\u092f \u0930\u0940\u0921 \u0938\u094d\u0935\u093f\u091a<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132650\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/magnetic-switch\/\">\u091a\u0941\u0902\u092c\u0915\u0940\u092f \u0938\u094d\u0935\u093f\u091a<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132629\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/photoelectric-sensor\/\">\u092b\u094b\u091f\u094b\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0938\u0947\u0902\u0938\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132939\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/probe-sensor\/\">\u091c\u093e\u0902\u091a \u0938\u0947\u0902\u0938\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132625\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/proximity-sensors\/\">\u0928\u093f\u0915\u091f\u0924\u093e \u0938\u0947\u0902\u0938\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132633\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/safety-light-curtain-sensor\/\">\u0938\u0941\u0930\u0915\u094d\u0937\u093e \u092a\u094d\u0930\u0915\u093e\u0936 \u092a\u0930\u094d\u0926\u093e \u0938\u0947\u0902\u0938\u0930<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-132621\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/valves\/\">\u0935\u093e\u0932\u094d\u0935<\/a>\n<\/li>\n<\/ul><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" data-attachment-id=\"2071\" data-permalink=\"https:\/\/chnsensor.com\/hi\/ssi%ef%bc%882%ef%bc%89\/\" data-orig-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?fit=800%2C800&amp;ssl=1\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SSI Float level switch\" data-image-description=\"&lt;p&gt;The stainless steel float level switch adopts a combination of 316 stainless steel float and reed switch to achieve high-precision liquid level detection. It features a fully 304\/316 stainless steel structure with IP68 protection and supports multiple installation methods. It is suitable for harsh environments such as water tanks, chemical storage tanks, and sewage treatment facilities.&lt;\/p&gt;\" data-image-caption=\"&lt;p&gt;The stainless steel float level switch is made of 304\/316 stainless steel. The M8, M10 and M12 interfaces can be customized. It features high-precision control and supports multiple installation methods. It is suitable for use in the chemical, food and other industries.&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?fit=800%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=800%2C800&#038;ssl=1\" alt=\"\" class=\"wp-image-2071\" srcset=\"https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/chnsensor.com\/wp-content\/uploads\/2025\/02\/SSI%EF%BC%882%EF%BC%89.jpg?resize=100%2C100&amp;ssl=1 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-albert-sans-font-family\" style=\"padding-top:var(--wp--preset--spacing--40)\">Choose SAIER and choose peace of mind<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-albert-sans-font-family has-normal-font-size\">SAIER has many years of industry experience and technology accumulation, is committed to providing customers with high-quality water flow sensors and solutions.<\/li>\n\n\n\n<li class=\"has-albert-sans-font-family has-normal-font-size\">We provide perfect after-sales service for you to solve your worries.<\/li>\n\n\n\n<li class=\"has-albert-sans-font-family has-normal-font-size\">Contact us today for more product information and exclusive offers!<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-medium-font-size wp-elements-65c36c92e7dad2ebc660f33a56f638d0 wp-block-paragraph\" style=\"border-style:none;border-width:0px;margin-left:var(--wp--preset--spacing--40);padding-right:0;padding-bottom:0;padding-left:var(--wp--preset--spacing--50);text-transform:uppercase\">   <a href=\"https:\/\/chnsensor.com\/hi\/contact-us\/\"> <strong>\u0939\u092e\u0938\u0947 \u0938\u0902\u092a\u0930\u094d\u0915 \u0915\u0930\u0947\u0902<\/strong><\/a><strong> \u0906\u091c \u0939\u0940 \u0928\u093f\u0903\u0936\u0941\u0932\u094d\u0915 \u0928\u092e\u0942\u0928\u0947 \u0914\u0930 \u0924\u0915\u0928\u0940\u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u0938\u0902\u092a\u0930\u094d\u0915 \u0915\u0930\u0947\u0902!<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-social-links has-huge-icon-size has-visible-labels is-style-default is-horizontal is-content-justification-center is-layout-flex wp-container-core-social-links-is-layout-c16badc5 wp-block-social-links-is-layout-flex\" style=\"border-style:none;border-width:0px;margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:var(--wp--preset--spacing--30);margin-left:0\"><li class=\"wp-social-link wp-social-link-whatsapp wp-block-social-link\"><a href=\"https:\/\/wa.me\/008613928231282\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M 12.011719 2 C 6.5057187 2 2.0234844 6.478375 2.0214844 11.984375 C 2.0204844 13.744375 2.4814687 15.462563 3.3554688 16.976562 L 2 22 L 7.2324219 20.763672 C 8.6914219 21.559672 10.333859 21.977516 12.005859 21.978516 L 12.009766 21.978516 C 17.514766 21.978516 21.995047 17.499141 21.998047 11.994141 C 22.000047 9.3251406 20.962172 6.8157344 19.076172 4.9277344 C 17.190172 3.0407344 14.683719 2.001 12.011719 2 z M 12.009766 4 C 14.145766 4.001 16.153109 4.8337969 17.662109 6.3417969 C 19.171109 7.8517969 20.000047 9.8581875 19.998047 11.992188 C 19.996047 16.396187 16.413812 19.978516 12.007812 19.978516 C 10.674812 19.977516 9.3544062 19.642812 8.1914062 19.007812 L 7.5175781 18.640625 L 6.7734375 18.816406 L 4.8046875 19.28125 L 5.2851562 17.496094 L 5.5019531 16.695312 L 5.0878906 15.976562 C 4.3898906 14.768562 4.0204844 13.387375 4.0214844 11.984375 C 4.0234844 7.582375 7.6067656 4 12.009766 4 z M 8.4765625 7.375 C 8.3095625 7.375 8.0395469 7.4375 7.8105469 7.6875 C 7.5815469 7.9365 6.9355469 8.5395781 6.9355469 9.7675781 C 6.9355469 10.995578 7.8300781 12.182609 7.9550781 12.349609 C 8.0790781 12.515609 9.68175 15.115234 12.21875 16.115234 C 14.32675 16.946234 14.754891 16.782234 15.212891 16.740234 C 15.670891 16.699234 16.690438 16.137687 16.898438 15.554688 C 17.106437 14.971687 17.106922 14.470187 17.044922 14.367188 C 16.982922 14.263188 16.816406 14.201172 16.566406 14.076172 C 16.317406 13.951172 15.090328 13.348625 14.861328 13.265625 C 14.632328 13.182625 14.464828 13.140625 14.298828 13.390625 C 14.132828 13.640625 13.655766 14.201187 13.509766 14.367188 C 13.363766 14.534188 13.21875 14.556641 12.96875 14.431641 C 12.71875 14.305641 11.914938 14.041406 10.960938 13.191406 C 10.218937 12.530406 9.7182656 11.714844 9.5722656 11.464844 C 9.4272656 11.215844 9.5585938 11.079078 9.6835938 10.955078 C 9.7955938 10.843078 9.9316406 10.663578 10.056641 10.517578 C 10.180641 10.371578 10.223641 10.267562 10.306641 10.101562 C 10.389641 9.9355625 10.347156 9.7890625 10.285156 9.6640625 C 10.223156 9.5390625 9.737625 8.3065 9.515625 7.8125 C 9.328625 7.3975 9.131125 7.3878594 8.953125 7.3808594 C 8.808125 7.3748594 8.6425625 7.375 8.4765625 7.375 z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">WhatsApp<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-mail wp-block-social-link\"><a href=\"https:\/\/chnsensor.com\/hi\/contact-us\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19,5H5c-1.1,0-2,.9-2,2v10c0,1.1.9,2,2,2h14c1.1,0,2-.9,2-2V7c0-1.1-.9-2-2-2zm.5,12c0,.3-.2.5-.5.5H5c-.3,0-.5-.2-.5-.5V9.8l7.5,5.6,7.5-5.6V17zm0-9.1L12,13.6,4.5,7.9V7c0-.3.2-.5.5-.5h14c.3,0,.5.2.5.5v.9z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">\u092e\u0947\u0932<\/span><\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>1.The working principle of float level switch 1.1 Buoyancy principle The float level switch is based on the float movement caused by the rise or fall of the level, and then controls the switching state of the circuit by mechanical or electronic means. Float level switch is mainly composed of float ball, lever, micro switch, [&hellip;]<\/p>\n","protected":false},"author":255630761,"featured_media":2498,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[132684,132733],"tags":[],"class_list":["post-2481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-float-level-switch","category-technical-support"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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