{"id":1565,"date":"2026-03-25T10:18:30","date_gmt":"2026-03-25T17:18:30","guid":{"rendered":"https:\/\/www.airmonitor.com\/hvac\/?p=1565"},"modified":"2026-07-27T09:56:56","modified_gmt":"2026-07-27T16:56:56","slug":"air-monitor-introduces-fan-iv-multi-channel-fan-array-transmitter","status":"publish","type":"post","link":"https:\/\/www.airmonitor.com\/hvac\/air-monitor-introduces-fan-iv-multi-channel-fan-array-transmitter\/","title":{"rendered":"Air Monitor Introduces Fan IV                                                                     Multi-Channel Fan Array Transmitter"},"content":{"rendered":"<div class=\"wp-block-image is-style-default\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/www.airmonitor.com\/hvac\/product\/fan-iv-fan-array-transmitter\/\"><img decoding=\"async\" width=\"900\" height=\"1125\" src=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV.png\" alt=\"\" class=\"wp-image-1577\" style=\"width:262px;height:auto\" srcset=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV.png 900w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-240x300.png 240w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-819x1024.png 819w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-768x960.png 768w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-655x819.png 655w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><strong>Largo, FL &#8211; March 11, 2026<\/strong> &#8211; As HVAC systems increasingly rely on fan arrays to improve efficiency and redundancy, accurately measuring airflow across multiple fans has become more complex. Air Monitor Corporation, a leader in airflow and pressure measurement solutions for HVAC applications, today announced the FAN IV Fan Array Transmitter, a multi-channel airflow and pressure measurement device designed to deliver accurate, reliable fan performance data in modern HVAC systems.<br><br>Designed specifically for HVAC fan measurement applications, the FAN IV supports up to four independent measurement channels, providing individual fan airflow and differential pressure readings as well as total system airflow from a single device. When multiple fans are operated from the same variable frequency drive (VFD), up to five fans per channel can be grouped, allowing a single FAN IV to monitor up to 20 fans.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img decoding=\"async\" width=\"405\" height=\"258\" src=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-advantages-chart-image.png\" alt=\"\" class=\"wp-image-1583\" style=\"width:381px;height:auto\" srcset=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-advantages-chart-image.png 405w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-advantages-chart-image-300x191.png 300w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/figure>\n<\/div>\n\n\n<p>The flexible FAN IV design integrates easily with differential pressure piezo rings or traverse style fan inlet probes, making it adaptable to a wide range of fan configurations. Each channel uses an independent transducer to ensure high accuracy, delivering better than \u00b11% of reading accuracy with a 20:1 turndown ratio across the configured range.<br><br>Every FAN IV is individually calibrated and shipped with all<br>settings &amp; outputs preconfigured for the specific application, reducing installation time and simplifying commissioning.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\" id=\"attachment_10886\"><img decoding=\"async\" width=\"423\" height=\"299\" src=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/Fan-iv-piezo.jpeg\" alt=\"Image of Fan IV  transmitter with piezo rings\" class=\"wp-image-1567\" style=\"width:423px;height:auto\" srcset=\"https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/Fan-iv-piezo.jpeg 423w, https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/Fan-iv-piezo-300x212.jpeg 300w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><figcaption class=\"wp-element-caption\">            Pictured with third-party piezo ring provided with fan.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>The transmitter includes native BACnet\u00ae and MODBUS\u00ae communications along with up to four programmable analog outputs, selectable for individual fan airflow or differential pressure, temperature, or total airflow. When used with piezometer airflow measuring rings, the FAN IV provides no obstructions in the fan inlet and complies with ASHRAE 90.1 and 189.1, supporting energy-efficient and code-compliant HVAC designs.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<\/blockquote>\n\n\n\n<p><em>&#8220;The FAN IV gives engineers and facility operators a powerful, scalable solution for accurately measuring fan airflow in both new and retrofit applications,\u201d<\/em> said Kenji Nulman, Product Manager at Air Monitor Corporation.<em> \u201cBy combining multi-channel measurement, flexible integration, and factory configuration, we\u2019ve made it easier than ever to get reliable fan performance data.\u201d<\/em><\/p>\n\n\n\n<p><strong>Ready to Improve Your Fan Array Measurement? <\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-4b2b15a\" data-block-id=\"4b2b15a\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-8567ba2\" data-block-id=\"8567ba2\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.airmonitor.com\/hvac\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">Request a Quote!<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<p><strong>For More Information on The Fan IV: <\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-b7ad96c\" data-block-id=\"b7ad96c\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-295261f\" data-block-id=\"295261f\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.airmonitor.com\/hvac\/product\/fan-iv-fan-array-transmitter\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">Visit the Fan IV Webpage<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Largo, FL &#8211; March 11, 2026 &#8211; As HVAC systems increasingly rely on fan arrays to improve efficiency and redundancy, accurately measuring airflow across multiple fans has become more complex. Air Monitor Corporation, a leader in airflow and pressure measurement solutions for HVAC applications, today announced the FAN IV Fan Array Transmitter, a multi-channel airflow [&hellip;]<\/p>\n","protected":false},"author":251,"featured_media":1570,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[76],"tags":[126],"class_list":{"0":"post-1565","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-whats-new","8":"tag-fan-array-measurement","9":"entry"},"acf":[],"featured_image_urls_v2":{"full":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-scaled.jpg",2560,1340,false],"thumbnail":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-150x150.jpg",150,150,true],"medium":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-300x157.jpg",300,157,true],"medium_large":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-768x402.jpg",768,402,true],"large":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-1024x536.jpg",1024,536,true],"1536x1536":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-1536x804.jpg",1536,804,true],"2048x2048":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-2048x1072.jpg",2048,1072,true],"sidebar-featured":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-75x75.jpg",75,75,true],"product-application-square":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-300x300.jpg",300,300,true],"gb-block-post-grid-landscape":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-600x400.jpg",600,400,true],"gb-block-post-grid-square":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-600x600.jpg",600,600,true],"woocommerce_thumbnail":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-500x500.jpg",500,500,true],"woocommerce_single":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-655x343.jpg",655,343,true],"woocommerce_gallery_thumbnail":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-180x180.jpg",180,180,true],"gform-image-choice-sm":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-scaled.jpg",300,157,false],"gform-image-choice-md":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-scaled.jpg",400,209,false],"gform-image-choice-lg":["https:\/\/www.airmonitor.com\/hvac\/wp-content\/uploads\/sites\/2\/FAN-IV-New-Product-01-scaled.jpg",600,314,false]},"post_excerpt_stackable_v2":"<p>Largo, FL &#8211; March 11, 2026 &#8211; As HVAC systems increasingly rely on fan arrays to improve efficiency and redundancy, accurately measuring airflow across multiple fans has become more complex. Air Monitor Corporation, a leader in airflow and pressure measurement solutions for HVAC applications, today announced the FAN IV Fan Array Transmitter, a multi-channel airflow and pressure measurement device designed to deliver accurate, reliable fan performance data in modern HVAC systems.Designed specifically for HVAC fan measurement applications, the FAN IV supports up to four independent measurement channels, providing individual fan airflow and differential pressure readings as well as total system&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.airmonitor.com\/hvac\/category\/whats-new\/\" rel=\"category tag\">What's New<\/a>","author_info_v2":{"name":"Emilie Brun","url":"https:\/\/www.airmonitor.com\/hvac\/author\/ebrun\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Air Monitor Introduces Fan IV                                   Multi-Channel Fan Array Transmitter - HVAC | Air Monitor<\/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:\/\/www.airmonitor.com\/hvac\/air-monitor-introduces-fan-iv-multi-channel-fan-array-transmitter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Air Monitor Introduces Fan IV                                   Multi-Channel Fan Array Transmitter - HVAC | Air Monitor\" \/>\n<meta property=\"og:description\" content=\"Largo, FL &#8211; March 11, 2026 &#8211; As HVAC systems increasingly rely on fan arrays to improve efficiency and redundancy, accurately measuring airflow across multiple fans has become more complex. 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