{"id":9387,"date":"2022-06-22T06:35:36","date_gmt":"2022-06-21T22:35:36","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=9387"},"modified":"2025-08-18T12:43:29","modified_gmt":"2025-08-18T04:43:29","slug":"dwyer-series-681-sanitary-pressure-transmitter","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-681-sanitary-pressure-transmitter\/","title":{"rendered":"DWYER Series 681 Sanitary Pressure Transmitter"},"content":{"rendered":"<h1>Series 681 Sanitary Pressure Transmitter No Liquid Fill Diaphragm, Sanitary Clamp Fitting<\/h1>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> Series 681 Sanitary Pressure Transmitter is designed to meet 3A standards for applications in food, dairy, beverage and pharmaceutical processing, liquid level control, and sanitary pipelines. The unit is fully sealed to withstand high pressure wash-down in Clean-in-Place (CIP) and Sterilize-in-Place (SIP) installations.<\/p>\n<p>The DWYER Series 681 Sanitary Pressure Transmitter is designed with a unique, no liquid fill diaphragm and a Sanitary Clamp pressure fitting for easy installation with negligible clamping effect. A conduit fitting, shielded cable with vent tube and sealed screws for zero and span adjustment combine to make the Series 681 completely watertight.<\/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<h1 class=\"tab-heading\">Features<\/h1>\n<ul>\n<li>Fully sealed to withstand Clean-in-Place and Sterilize-in-Place installations supports regulatory conditions for sanitary processes<\/li>\n<li>Sanitary clamp fitting makes for easy installation<\/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 class=\"list-specs lined\">\n<li>Service: Compatible liquids and gases.<\/li>\n<li class=\"title\">Wetted Parts: 316L Stainless Steel.<\/li>\n<li class=\"title\">Accuracy: \u00b1.20% FS (includes non-linearity, hysteresis and non-repeatability).<\/li>\n<li class=\"title\">Temperature Limits: -40 to 260\u00b0F (-40 to 125\u00b0C) 10 to 90% RH, non-condensing.<\/li>\n<li class=\"title\">Pressure Limits: See Catalog page.<\/li>\n<li class=\"title\">Compensated Temperature Range: 20 to 180\u00b0F (-7 to 80\u00b0C).<\/li>\n<li class=\"title\">Thermal Effect: Zero and span shift: \u00b12.0% FS\/100\u00b0F (% FS\/50\u00b0C).<\/li>\n<li class=\"title\">Power Requirements: 9-30 VDC.<\/li>\n<li class=\"title\">Output Signal: 4-20 mA, 2-wire.<\/li>\n<li class=\"title\">Zero and Span Adjustment: \u00b10.5 mA, non-interactive.<\/li>\n<li class=\"title\">Response Time: \u226410 ms.<\/li>\n<li class=\"title\">Loop Resistance: 800 ohms.<\/li>\n<li class=\"title\">Electrical Connections: 1\/2&#8243; conduit fitting and strain relief with 15 ft (4.5 m) cable.<\/li>\n<li class=\"title\">Pressure Connection: 2&#8243; or 1-1\/2&#8243; Sanitary Clamp fitting male NPT .<\/li>\n<li class=\"title\">Clamping Effect: Zero and span shift: \u00b10.15% FS for ranges up to 30 psi; \u00b10.25% FS for ranges &gt;30 psi.<\/li>\n<li class=\"title\">Weight: 8 oz (227 g)<\/li>\n<li class=\"title\">Agency Approvals: 3A, CE.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<h2 class=\"tab-heading\">Models &amp; Ordering<\/h2>\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=\"\">681-02<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-1 psi, 60 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-101<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-300 psi, 1000 psi overpressure, 1-1\/2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-12<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-2 psi, 100 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-22<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-5 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-32<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-10 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-42<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-15 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-52<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-30 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-62<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-60 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">681-72<\/td>\n<td class=\"description\" width=\"\">Sanitary pressure transmitter, range 0-100 psi, 150 psi overpressure, 2&#8243; sanitary clamp connection.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series 681 Sanitary Pressure Transmitter No Liquid Fill Diaphragm, Sanitary Clamp Fitting &nbsp; DWYER Series 681 Sanitary Pressure Transmitter is designed to meet 3A standards for applications in food, dairy, beverage and pharmaceutical processing, liquid level control, and sanitary pipelines. The unit is fully sealed to withstand high pressure wash-down in Clean-in-Place (CIP) and Sterilize-in-Place &#8230; <a title=\"DWYER Series 681 Sanitary Pressure Transmitter\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-681-sanitary-pressure-transmitter\/\" aria-label=\"More on DWYER Series 681 Sanitary Pressure Transmitter\">Read more<\/a><\/p>\n","protected":false},"featured_media":9388,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-9387","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-dwyer-pressure-transmitter","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-instruments-brand","product_cat-dwyer-omega","product_cat-pressure-transmitter","product_cat-pressure-transmitter-dwyer-instruments-brand","product_cat-pressure-transmitter-dwyer-instruments-dwyer-omega","product_cat-single-pressure-pressure-transmitter","product_tag-681-pressure-transmitter","product_tag-681-02","product_tag-681-101","product_tag-681-12","product_tag-681-22","product_tag-681-32","product_tag-681-42","product_tag-681-52","product_tag-681-62","product_tag-681-72","product_tag-dwyer-series-681","product_tag-dwyer-series-681-sanitary-pressure-transmitter","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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