{"id":18568,"date":"2022-12-22T04:21:49","date_gmt":"2022-12-21T20:21:49","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=18568"},"modified":"2025-08-18T12:01:40","modified_gmt":"2025-08-18T04:01:40","slug":"dwyer-series-490w-hydronic-differential-pressure-manometer","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-490w-hydronic-differential-pressure-manometer\/","title":{"rendered":"DWYER 490W Hydronic Manometer"},"content":{"rendered":"<h1>Series 490W Hydronic Differential Pressure Manometer,\u00a0 Liquid and Gas Pressure<\/h1>\n<h1>Measurement, 2% of Reading Accuracy<\/h1>\n<p>&nbsp;<\/p>\n<p><b>Series 490W Hydronic Differential Pressure Manometer<\/b> is the most accurate and easy to operate manometer on the market. <a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> 490W Hydronic Manometer using wireless transducers.<\/p>\n<p>DWYER 490W Hydronic Manometer utilizes mobile technology to communicate via a Bluetooth connection with the transducers to monitor differential pressure and flow on up to three different valves. Being wireless means there are no hoses to carry, snag on equipment or needing to be drained. The 490W includes the Dwyer\u00ae Hydronic Application Software that contains valve charts for numerous manufacturers.<\/p>\n<p>&nbsp;<\/p>\n<section id=\"features\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-4\" aria-expanded=\"true\" aria-hidden=\"false\">\n<p class=\"tab-heading\">Features<\/p>\n<ul>\n<li>Rugged weatherproof handheld housing withstands 1.5 m drop test.<\/li>\n<li>Wireless measurement of differential pressure, single pressure and air flow.<\/li>\n<li>Bluetooth direct wireless communication provides range up to 65&#8242; (19.8 m).<\/li>\n<li>The ergonomic design is much lighter and easier to work with, providing greater maneuverability and quick install setup.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<section id=\"specs\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-3\" aria-expanded=\"true\" aria-hidden=\"false\">\n<p class=\"tab-heading\">Specifications<\/p>\n<ul>\n<li>Wireless Distance: Up to 65&#8242; (19.8 m).<\/li>\n<li>Service: Compatible gases &amp; liquids.<\/li>\n<li>Wetted Materials: 316 SS, PTFE, brass.<\/li>\n<li>Accuracy: 2% of reading, \u00b10.5 psi.<\/li>\n<li>Compensated Temperature Range: 14 to 140\u00b0F (-10 to 60\u00b0C).<\/li>\n<li>Pressure Hysteresis: \u00b10.25% FS.<\/li>\n<li>Pressure Range: See chart.<\/li>\n<li>Process Temperature Limits: -4 to 185\u00b0F (-20 to 85\u00b0C).<\/li>\n<li>Display: 5&#8243; Gorrilla\u00ae glass 3, touch screen, 1280&#215;720.<\/li>\n<li>Resolution: 0.01 psi.<\/li>\n<li>Process Connections: Two 1\/4&#8243; male NPT.<\/li>\n<li>Power Requirements: CR2050 or CR2032 lithium battery, user replaceable.<\/li>\n<li>Weight: 2 lb (907 g).<\/li>\n<li>Agency Approvals: CE, FCC.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<p><strong>Model<\/strong><\/p>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">490W-6-HKIT<\/td>\n<td class=\"description\" width=\"\">Hydronic differential pressure manometer with wireless sensors, 0-50 psid &amp; 0-200 psid, 1\/4&#8243; male NPT (2 of each range)<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">490W-6-HKIT-NIST<\/td>\n<td class=\"description\" width=\"\">Hydronic differential pressure manometer with wireless sensors, 0-50 psid &amp; 0-200 psid, 1\/4&#8243; male NPT (2 of each range) with NIST calibration<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">490W-INT-NIST<\/td>\n<td class=\"description\" width=\"\">Hydronic differential pressure manometer with wireless sensors, 3.4 BAR &amp; 13.7 Bar 1\/4&#8243; MNPT (2 of each range) with NIST Calibration (INTERNATIONAL VERSION)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>Catalog<\/strong><\/p>\n<a href=\"https:\/\/ancor.biz\/wp-content\/uploads\/2022\/12\/Dwyer-Wireless-Hydronic-Differential-Pressure-Manometer.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">Dwyer - Wireless Hydronic Differential Pressure Manometer<br\/><\/a>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series 490W Hydronic Differential Pressure Manometer,\u00a0 Liquid and Gas Pressure Measurement, 2% of Reading Accuracy &nbsp; Series 490W Hydronic Differential Pressure Manometer is the most accurate and easy to operate manometer on the market. DWYER 490W Hydronic Manometer using wireless transducers. DWYER 490W Hydronic Manometer utilizes mobile technology to communicate via a Bluetooth connection with &#8230; <a title=\"DWYER 490W Hydronic Manometer\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-490w-hydronic-differential-pressure-manometer\/\" aria-label=\"More on DWYER 490W Hydronic Manometer\">Read more<\/a><\/p>\n","protected":false},"featured_media":18580,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-18568","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-instruments-brand","product_cat-dwyer-omega","product_cat-manometer-dwyer-instruments-brand","product_cat-manometer-dwyer-instruments-dwyer-omega","product_cat-manometer","product_cat-dwyer-instruments","product_cat-digital-manometer","product_tag-490w-manometer","product_tag-490w-6-hkit","product_tag-490w-6-hkit-nist","product_tag-490w-int-nist","product_tag-ddwyer-490w-hydronic-manometer","product_tag-dwyer-490w-manometer","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons","wc-has-gallery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - 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