{"id":7577,"date":"2022-05-17T02:48:10","date_gmt":"2022-05-16T18:48:10","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=7577"},"modified":"2025-08-18T12:05:58","modified_gmt":"2025-08-18T04:05:58","slug":"dwyer-series-1800-low-differential-pressure-switch","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-1800-low-differential-pressure-switch\/","title":{"rendered":"DWYER Series 1800 Differential Pressure Switch"},"content":{"rendered":"<h1>Series 1800 Low Differential Pressure Switch for General Industrial Service,Set Points from 0.07&#8243; to 85&#8243; w.c. Repetitive Accuracy within 2%<\/h1>\n<p>&nbsp;<\/p>\n<p>Essential for industrial environments, the\u00a0<a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> Series 1800 Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. DWYER Series 1800 Differential Pressure Switch Set point adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.<\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"sub_heading\">Product Applications<\/h2>\n<ul class=\"list-details inline product_feature\">\n<li>Process applications<\/li>\n<li>Mechanical equipment control<\/li>\n<\/ul>\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<h1 class=\"tab-heading\">Features<\/h1>\n<ul>\n<li>Compact size and repeatability provide a high-value switch for many industrial applications<\/li>\n<li>Designed for panel and wall mounting to easily meet mounting requirements in most industrial settings<\/li>\n<li>Pressure ranges from 0.07 in w.c. to 85 in w.c. make this switch suitable for a wide range of applications<\/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<h1 class=\"tab-heading\">Specifications<\/h1>\n<ul>\n<li>Service: Air and non-combustible, compatible gases.<\/li>\n<li>Wetted Materials: Consult Factory.<\/li>\n<li>TeMperature Limits: -30 to 180\u00b0F (-34 to 82.2\u00b0C). 1823-00, -20 to 180\u00b0F (-28.9 to 82.2\u00b0C).<\/li>\n<li>Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.<\/li>\n<li>Switch Type: Single-pole double-throw (SPDT).<\/li>\n<li>Repeatability: \u00b12%.<\/li>\n<li>Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1\/8 HP @ 125 VAC, 1\/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.<\/li>\n<li>Electrical Connections: 3 screw type, common, normally open and normally closed.<\/li>\n<li>Process Connections: 1\/8&#8243; female NPT.<\/li>\n<li>Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.<\/li>\n<li>Set Point Adjustment: Screw type inside mounting spud.<\/li>\n<li>Weight: 1 lb, 5 oz (595 g).<\/li>\n<li>Agency Approvals: CE, CSA, FM, UL. NOTE: Optional (-EXPL) Explosion-proof Enclosure does not possess any agency approvals.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<h1 class=\"tab-heading\">Models &amp; Ordering<\/h1>\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=\"\">1823-0<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 0.15-.5&#8243; w.c., approx. deadband @ min. set point 0.06, approx. deadband @ max. set point 0.06.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-00<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 0.07-0.22&#8243; w.c., approx. deadband @ min. set point 0.05, approx. deadband @ max. set point 0.05.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-1<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 0.3-1.0&#8243; w.c., approx. deadband @ min. set point 0.08, approx. deadband @ max. set point 0.08.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-10<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 2.0-10&#8243; w.c., approx. deadband @ min. set point 0.18, approx. deadband @ max. set point 0.45.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-2<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 0.5-2.0&#8243; w.c., approx. deadband @ min. set point 0.10, approx. deadband @ max. set point 0.12.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-20<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 3-22&#8243; w.c., approx. deadband @ min. set point 0.35, approx. deadband @ max. set point 0.70.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-40<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 5-44&#8243; w.c., approx. deadband @ min. set point 0.56, approx. deadband @ max. set point 1.10.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-5<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 1.5-5.0&#8243; w.c., approx. deadband @ min. set point 0.14, approx. deadband @ max. set point 0.28.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">1823-80<\/td>\n<td class=\"description\" width=\"\">Differential pressure switch, range 9-85&#8243; w.c., approx. deadband @ min. set point 1.30, approx. deadband @ max. set point 3.0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series 1800 Low Differential Pressure Switch for General Industrial Service,Set Points from 0.07&#8243; to 85&#8243; w.c. Repetitive Accuracy within 2% &nbsp; Essential for industrial environments, the\u00a0DWYER Series 1800 Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. DWYER Series 1800 Differential &#8230; <a title=\"DWYER Series 1800 Differential Pressure Switch\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-1800-low-differential-pressure-switch\/\" aria-label=\"More on DWYER Series 1800 Differential Pressure Switch\">Read more<\/a><\/p>\n","protected":false},"featured_media":7579,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-7577","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-diffrential-pressure","product_cat-dwyer-switch-vacuum","product_cat-dwyer-instruments-brand","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-omega","product_cat-pressure-switch-dwyer-instruments-dwyer-omega","product_cat-switch-vacuum","product_cat-pressure-switch","product_cat-switch","product_tag-1823-0","product_tag-1823-00","product_tag-1823-1","product_tag-1823-10","product_tag-1823-2","product_tag-1823-20","product_tag-1823-40","product_tag-1823-5","product_tag-1823-80","product_tag-dwyer-series-1800","product_tag-dwyer-series-1800-differential-pressure-switch","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - 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