{"id":716,"date":"2026-08-03T00:15:32","date_gmt":"2026-08-02T16:15:32","guid":{"rendered":"https:\/\/ll-transmitter.com\/?p=716"},"modified":"2026-08-03T00:15:35","modified_gmt":"2026-08-02T16:15:35","slug":"what-is-the-difference-between-rosemount-temperature-transmitters-248-644-and-3144","status":"publish","type":"post","link":"https:\/\/ll-transmitter.com\/ar\/what-is-the-difference-between-rosemount-temperature-transmitters-248-644-and-3144\/","title":{"rendered":"What is the difference between Rosemount temperature transmitters 248, 644, and 3144?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">When choosing Rosemount temperature transmitters, we often encounter a problem. 248 VS 644 VS 3144P. How should we choose these three types of temperature transmitters?<\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-b1367cf\" data-block-id=\"b1367cf\"><style>.stk-b1367cf {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b1367cf-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-64f7824\" data-v=\"4\" data-block-id=\"64f7824\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-64f7824-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-64f7824-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-c9e600e\" data-block-id=\"c9e600e\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c9e600e-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-60f07cd\" data-v=\"4\" data-block-id=\"60f07cd\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-60f07cd-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-60f07cd-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-5e10fa7\" data-block-id=\"5e10fa7\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img fetchpriority=\"high\" decoding=\"async\" class=\"stk-img wp-image-719\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/248.png\" width=\"926\" height=\"848\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/248.png 926w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/248-300x275.png 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/248-768x703.png 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/248-600x549.png 600w\" sizes=\"(max-width: 926px) 100vw, 926px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-46074e3\" data-v=\"4\" data-block-id=\"46074e3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-46074e3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-46074e3-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-824337b\" data-block-id=\"824337b\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img decoding=\"async\" class=\"stk-img wp-image-721\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644.png\" width=\"851\" height=\"850\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644.png 851w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644-300x300.png 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644-150x150.png 150w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644-768x767.png 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644-600x599.png 600w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/644-100x100.png 100w\" sizes=\"(max-width: 851px) 100vw, 851px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e9ac9e5\" data-v=\"4\" data-block-id=\"e9ac9e5\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e9ac9e5-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e9ac9e5-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-1c5ea53\" data-block-id=\"1c5ea53\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img decoding=\"async\" class=\"stk-img wp-image-722\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/3144p.png\" width=\"882\" height=\"867\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/3144p.png 882w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/3144p-300x295.png 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/3144p-768x755.png 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/3144p-600x590.png 600w\" sizes=\"(max-width: 882px) 100vw, 882px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">As the most popular temperature transmitter series from Emerson Rosemount, the <strong>248, 644, and 3144P<\/strong> models cover entry-level monitoring, standard process control, and high-end safety-critical applications. However, many system integrators and plant managers struggle to distinguish their differences and select the most cost-effective model for specific working conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this complete guide, we break down the positioning, key features, technical differences, and applicable scenarios of the Rosemount 248, 644, and 3144P temperature transmitters to help you make a precise selection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Product Positioning Overview<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 248: Entry-Level Cost-Effective Transmitter<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Rosemount 248 is designed for <strong>general-purpose temperature monitoring<\/strong>. It is a compact, lightweight head-mount temperature transmitter built for standard, non-critical measurement points. With simplified functions and stable basic performance, it is the best choice for mass deployment and budget-sensitive projects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It focuses on basic signal conversion and loop monitoring, eliminating redundant advanced functions to control costs while maintaining Emerson\u2019s industrial-grade reliability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 644: Mid-Range Universal Workhorse<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Rosemount 644 is the <strong>most versatile mainstream model<\/strong> for factory process control. It balances high precision, flexible installation, and intelligent diagnostics, covering 80% of standard industrial temperature measurement scenarios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Supporting multiple installation methods, dual-sensor input, and full fieldbus protocols, the 644 serves as a unified standard transmitter for entire plant automation renovation and daily production control.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 3144P: High-End SIL-Critical Flagship Transmitter<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Rosemount 3144P is Emerson\u2019s top-tier <strong>safety-grade integrated temperature transmitter<\/strong>, tailored for hazardous areas, SIS safety interlock systems, and extreme working conditions. It integrates industry-exclusive X-well non-intrusive measurement technology, Bluetooth on-site configuration, and ultra-long-term stability, minimizing downtime and maintenance frequency for key process points.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Core Features &amp; Technical Differences<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 248 Key Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compact &amp; Lightweight Design<\/strong>: Mini 44mm diameter body (only 50g), perfect for installation inside standard thermocouple junction boxes without space constraints.<\/li>\n\n\n\n<li><strong>Single-Channel Input<\/strong>: Supports RTD, thermocouple, mV, and resistance signals, meeting basic single-point temperature monitoring needs.<\/li>\n\n\n\n<li><strong>Basic Safety &amp; Stability<\/strong>: 1-year stability guarantee, 2.5kV AC electrical isolation, and SIL 2 safety certification.<\/li>\n\n\n\n<li><strong>Simple Diagnostics<\/strong>: Provides sensor open\/short circuit fault alarm to avoid invalid data.<\/li>\n\n\n\n<li><strong>Standard Communication<\/strong>: 4-20mA + HART protocol, compatible with most conventional DCS systems.<\/li>\n\n\n\n<li><strong>Cost Advantage<\/strong>: The lowest cost among the three models, ideal for large-scale ordinary monitoring points.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 644 Key Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Three Flexible Installation Modes<\/strong>: Supports head mount, DIN rail mount, and field wall mount, adapting to cabinet centralized installation and on-site scattered installation.<\/li>\n\n\n\n<li><strong>Dual-Sensor Measurement<\/strong>: Optional dual-channel input, realizing hot backup, temperature difference\/average value measurement, and sensor drift early warning to prevent single-point failure shutdown.<\/li>\n\n\n\n<li><strong>Advanced Diagnostics<\/strong>: Monitors thermocouple aging, sensor drift, and loop integrity, effectively reducing unplanned downtime.<\/li>\n\n\n\n<li><strong>Full Protocol Compatibility<\/strong>: Supports HART 5\/7, FOUNDATION Fieldbus, and PROFIBUS PA, reserving space for subsequent digital transformation.<\/li>\n\n\n\n<li><strong>Optional Local Operation<\/strong>: Equippable with LOI local indicator, enabling on-site configuration without a handheld communicator.<\/li>\n\n\n\n<li><strong>Reliable Safety Performance<\/strong>: SIL 2 \/ SIL 3 certification, with complete explosion-proof and anti-corrosion protection options.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rosemount 3144P Key Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dual-Chamber Explosion-Proof Structure<\/strong>: Integrated IP67 field-mounted housing, isolated circuit design, excellent shockproof, moisture-proof, and corrosion-resistant performance, suitable for outdoor and harsh hazardous areas.<\/li>\n\n\n\n<li><strong>Exclusive X-well Non-Intrusive Technology<\/strong>: No pipe drilling or thermowell required. Clamps directly on the pipe wall to measure medium temperature, eliminating leakage risks and reducing reconstruction costs.<\/li>\n\n\n\n<li><strong>Wireless Bluetooth Configuration<\/strong>: Supports on-site Bluetooth debugging, no hot work required for high-altitude and dangerous positions, greatly improving operation safety.<\/li>\n\n\n\n<li><strong>Ultra-Long Stability<\/strong>: 5-year standard stability (up to 20 years for high-end versions), extending calibration cycles and reducing maintenance frequency.<\/li>\n\n\n\n<li><strong>Highest Safety Level<\/strong>: Native SIL 3 safety certification, the standard configuration for oil &amp; gas and chemical SIS safety interlock systems.<\/li>\n\n\n\n<li><strong>Intelligent Adaptive Function<\/strong>: ReadyConnect plug-and-play sensor recognition, automatic line mode switching for RTD faults, ensuring non-stop operation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. Parameter Comparison Table: 248 vs 644 vs 3144P<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Comparison Dimension<\/th><th class=\"has-text-align-left\" data-align=\"left\">Rosemount 248<\/th><th class=\"has-text-align-left\" data-align=\"left\">Rosemount 644<\/th><th class=\"has-text-align-left\" data-align=\"left\">Rosemount 3144P<\/th><\/tr><\/thead><tbody><tr><td>Market Positioning<\/td><td>Entry-level economical model<\/td><td>Mid-range universal workhorse<\/td><td>High-end safety flagship model<\/td><\/tr><tr><td>Sensor Channel<\/td><td>Single channel only<\/td><td>Single \/ Dual channel optional<\/td><td>Single \/ Dual channel<\/td><\/tr><tr><td>Installation Method<\/td><td>Head mount, optional DIN rail<\/td><td>Head \/ Rail \/ Wall mount 3-in-1<\/td><td>Integrated field explosion-proof mount<\/td><\/tr><tr><td>Stability Period<\/td><td>1 year<\/td><td>2 years<\/td><td>5 years (max 20 years)<\/td><\/tr><tr><td>Diagnostic Capability<\/td><td>Basic open\/short circuit alarm<\/td><td>Aging &amp; drift monitoring, hot backup<\/td><td>Full-link SIS diagnosis, fault prediction<\/td><\/tr><tr><td>Local Operation<\/td><td>No local display\/key<\/td><td>Optional LOI local configuration<\/td><td>Standard display + Bluetooth debug<\/td><\/tr><tr><td>Communication<\/td><td>4-20mA + HART<\/td><td>HART \/ FF \/ PROFIBUS PA<\/td><td>HART \/ FF + Bluetooth<\/td><\/tr><tr><td>Safety Certification<\/td><td>SIL 2<\/td><td>SIL 2 \/ SIL 3<\/td><td>Native SIL 3<\/td><\/tr><tr><td>Core Technology<\/td><td>Mini isolated transmission<\/td><td>Multi-scene adaptive, dual-sensor redundancy<\/td><td>X-well non-intrusive measurement, dual-chamber explosion-proof<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Application &amp; Selection Guide<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Choose Rosemount 248 If:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You need mass temperature monitoring for non-critical points, such as HVAC, cooling water, and ordinary storage tanks.<\/li>\n\n\n\n<li>The project has a strict budget and only requires standard 4-20mA signal conversion.<\/li>\n\n\n\n<li>The installation space inside the junction box is limited and requires a compact transmitter.<\/li>\n\n\n\n<li>No SIS safety interlock or advanced diagnostic functions are needed.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Value Advantage<\/strong>: Minimize hardware and installation costs while maintaining reliable basic measurement performance, the best solution for batch deployment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Choose Rosemount 644 If:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You need unified standard transmitters for entire factory process control (chemical, power, water treatment, food &amp; beverage).<\/li>\n\n\n\n<li>The site has both cabinet centralized installation and field dispersed installation scenarios.<\/li>\n\n\n\n<li>Dual-sensor redundancy is required to avoid production shutdown caused by single sensor failure.<\/li>\n\n\n\n<li>Future digital fieldbus system upgrades are planned.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Value Advantage<\/strong>: Zero adaptation pressure for multiple working conditions, effectively reducing plant maintenance risks and standardizing spare part management.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Choose Rosemount 3144P If:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applied in high-risk explosive areas such as oil &amp; gas exploration and refining, matching SIS safety systems.<\/li>\n\n\n\n<li>Pipeline reconstruction is required without hot work or drilling, relying on X-well non-intrusive measurement.<\/li>\n\n\n\n<li>High-altitude and inaccessible measurement points require safe wireless debugging.<\/li>\n\n\n\n<li>Unattended remote stations need ultra-long calibration cycles to reduce on-site maintenance.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Value Advantage<\/strong>: Fully guarantees the safety and stability of key processes, greatly reducing long-term operation and maintenance costs and construction risks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Final Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There is no absolute &#8220;best&#8221; temperature transmitter, only the<strong>most suitable model<\/strong> for your process conditions. The Rosemount 248 focuses on cost performance for general monitoring, the 644 provides balanced performance for mainstream process control, and the 3144P delivers top-level safety and intelligence for critical hazardous working conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the right transmitter can effectively improve measurement accuracy, reduce failure rates, and optimize overall project costs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We can provide other Rosemount products such as 248,644,3144P mentioned above. If you are interested in our products. Looking forward to your inquiry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below is our rosemount temperature transmitter pictures . <\/p>\n\n\n\n<div class=\"wp-block-stackable-carousel stk-block-carousel stk--is-slide stk--arrows-justify-space-between stk--arrows-align-center stk-block stk-19acf50\" data-slides-to-show=\"\" data-block-id=\"19acf50\"><div class=\"stk-block-carousel__content-wrapper\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-block-carousel__slider-wrapper stk-content-align stk-19acf50-column\"><div class=\"stk-block-carousel__slider\" role=\"list\" data-autoplay=\"4000\" data-label-slide-of=\"Slide %%d of %%d\" tabindex=\"0\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-39f9cb3\" data-v=\"4\" data-block-id=\"39f9cb3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-39f9cb3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-39f9cb3-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-9b759ae\" data-block-id=\"9b759ae\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-9b759ae-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-42d39b2\" data-v=\"4\" data-block-id=\"42d39b2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-42d39b2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-42d39b2-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-eacc00a\" data-block-id=\"eacc00a\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-723\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1.jpg\" width=\"1280\" height=\"960\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1.jpg 1280w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1-300x225.jpg 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1-1024x768.jpg 1024w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1-768x576.jpg 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1-600x450.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-deded04\" data-v=\"4\" data-block-id=\"deded04\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-deded04-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-deded04-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-38769f9\" data-block-id=\"38769f9\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-724\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078.jpg\" width=\"1200\" height=\"1200\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078.jpg 1200w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-300x300.jpg 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-1024x1024.jpg 1024w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-150x150.jpg 150w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-768x768.jpg 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-600x600.jpg 600w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a3c79df\" data-v=\"4\" data-block-id=\"a3c79df\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a3c79df-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a3c79df-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-ae74a2c\" data-block-id=\"ae74a2c\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-725\" src=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5.jpg\" width=\"1280\" height=\"960\" srcset=\"https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5.jpg 1280w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5-300x225.jpg 300w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5-1024x768.jpg 1024w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5-768x576.jpg 768w, https:\/\/ll-transmitter.com\/wp-content\/uploads\/2026\/08\/0078-5-600x450.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f1cb751\" data-v=\"4\" data-block-id=\"f1cb751\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f1cb751-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f1cb751-inner-blocks\">\n<h3 class=\"wp-block-heading\">Rosemount temperature transmitter, Rosemount 248 transmitter, Rosemount 644 transmitter, Rosemount 3144P transmitter, SIL3 temperature transmitter, X-well non-intrusive temperature measurement, industrial process temperature sensor, Emerson temperature transmitter selection.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>We have short delivery times and good product quality<\/strong>.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-72bd10b\" data-v=\"4\" data-block-id=\"72bd10b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-72bd10b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-72bd10b-inner-blocks\"><\/div><\/div><\/div>\n<\/div><div class=\"stk-block-carousel__buttons\"><button class=\"stk-block-carousel__button stk-block-carousel__button__prev\" aria-label=\"Previous slide\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"fas\" data-icon=\"chevron-left\" class=\"svg-inline--fa fa-chevron-left\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 320 512\" width=\"32\" height=\"32\"><path d=\"M34.52 239.03L228.87 44.69c9.37-9.37 24.57-9.37 33.94 0l22.67 22.67c9.36 9.36 9.37 24.52.04 33.9L131.49 256l154.02 154.75c9.34 9.38 9.32 24.54-.04 33.9l-22.67 22.67c-9.37 9.37-24.57 9.37-33.94 0L34.52 272.97c-9.37-9.37-9.37-24.57 0-33.94z\"><\/path><\/svg><\/button><button class=\"stk-block-carousel__button stk-block-carousel__button__next\" aria-label=\"Next slide\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"fas\" data-icon=\"chevron-right\" class=\"svg-inline--fa fa-chevron-right\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 320 512\" width=\"32\" height=\"32\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg><\/button><\/div><\/div><div class=\"stk-block-carousel__dots\" role=\"list\" data-label=\"Slide %%d\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-03d474b\" data-block-id=\"03d474b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-03d474b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a9279bd\" data-v=\"4\" data-block-id=\"a9279bd\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a9279bd-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a9279bd-inner-blocks\"><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Introduction of Xi \u2018an Lilu Trading Co., LTD<br><\/strong>Xi \u2018an Lilu Trading Co., Ltd. is a professional import and export focus on transmitter, flow meter, positioner instrument industry provider. We have a huge advantage in the following brand ROSEMOUNT, YOKOGAWA, HONEYWELL, SMC, IMI NORGREN, ABB, ENDRESS + HAUSER, FISHER, YTC, AZBIL, SIEMENS, SCHNEIDER and some European brands.<br>We look forward to your inquiry and hope that we can start the best cooperation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Phone: +86-18392971088<br>Email:&nbsp;<a href=\"mailto:inqury@lilutrading.com\" target=\"_blank\" rel=\"noopener\">inquiry@lilutrading.com<\/a><\/p>\n\n\n<style id=\"wpforms-css-vars-311-block-05d05766-db96-402d-97b6-b50f52638fdc\">\n\t\t\t\t#wpforms-311.wpforms-block-05d05766-db96-402d-97b6-b50f52638fdc {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-block wpforms-block-05d05766-db96-402d-97b6-b50f52638fdc wpforms-render-modern\" id=\"wpforms-311\"><form id=\"wpforms-form-311\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"311\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/ar\/wp-json\/wp\/v2\/posts\/716\" data-token=\"8cf31f7086ed36c6742c1a15c2463409\" data-token-time=\"1788710614\"><noscript class=\"wpforms-error-noscript\">Please enable JavaScript in your browser to complete this form.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Please enable JavaScript in your browser to complete this form.<\/div><div class=\"wpforms-field-container\">\t\t<div id=\"wpforms-311-field_5-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"5\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-311-field_5\" >do product email<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-311-field_5\" class=\"wpforms-field-medium\" name=\"wpforms[fields][5]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-311-field_1-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-311-field_1\">Name <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"text\" id=\"wpforms-311-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" aria-errormessage=\"wpforms-311-field_1-error\" required><\/div><div id=\"wpforms-311-field_2-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-311-field_2\">email <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-311-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" spellcheck=\"false\" aria-errormessage=\"wpforms-311-field_2-error\" required><\/div><div id=\"wpforms-311-field_4-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-311-field_4\">product link<\/label><input type=\"text\" id=\"wpforms-311-field_4\" class=\"wpforms-field-large\" name=\"wpforms[fields][4]\" value=\"https:\/\/ll-transmitter.com\/ar\/wp-json\/wp\/v2\/posts\/716\" aria-errormessage=\"wpforms-311-field_4-error\" ><\/div><div id=\"wpforms-311-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-311-field_3\">What can I do for you<\/label><textarea id=\"wpforms-311-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-311-field_3-error\" ><\/textarea><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-311-field_5-container { position: absolute !important; 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How should we choose these [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":"","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":[1],"tags":[],"class_list":["post-716","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the difference between Rosemount temperature transmitters 248, 644, and 3144? -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ll-transmitter.com\/ar\/what-is-the-difference-between-rosemount-temperature-transmitters-248-644-and-3144\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the difference between Rosemount temperature transmitters 248, 644, and 3144? -\" \/>\n<meta property=\"og:description\" content=\"When choosing Rosemount temperature transmitters, we often encounter a problem. 248 VS 644 VS 3144P. 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