{"id":11007,"date":"2026-09-30T10:38:15","date_gmt":"2026-09-30T10:38:15","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=11007"},"modified":"2026-10-09T05:51:34","modified_gmt":"2026-10-09T05:51:34","slug":"autool-pt520-dual-port-differential-pressure-gauge","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-pt520-dual-port-differential-pressure-gauge\/","title":{"rendered":"AUTOOL PT520 Dual-Port Differential Pressure Gauge with 29-Record Memory"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Measure Positive, Negative and Differential Pressure and Save the Readings<\/h3>\n<p class=\"abd-lead\">The PT520 compares two pressure inputs for intake manifold, brake booster, crankcase and exhaust valve checks, stores readings for later review and switches among ten units. Use it with non-corrosive oil, water, air or natural gas only.<\/p>\n<ul class=\"abd-facts\">\n<li>Dual-Port Differential<\/li>\n<li>29 Stored Records<\/li>\n<li>Max\/Min Recording<\/li>\n<li>10 Pressure Units<\/li>\n<li>Built-In Light<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Key Features<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>Positive, Negative and Differential<\/h5>\n<p>Two pressure input ports measure the pressure at two locations at once and show the difference.<\/p>\n<\/li>\n<li>\n<h5>Lock, Zero and Store<\/h5>\n<p>Lock the current reading, zero when needed and review stored records later.<\/p>\n<\/li>\n<li>\n<h5>Readable Backlit Screen<\/h5>\n<p>Shows battery level, records, Max\/Min values, differential pressure, real-time positive and negative pressure, working time and units.<\/p>\n<\/li>\n<li>\n<h5>Workshop-Friendly Details<\/h5>\n<p>Anti-slip silicone, side lanyard, illumination light, Type-C interface, data lock and calibration buttons.<\/p>\n<\/li>\n<li>\n<h5>Adapters for Varied Ports<\/h5>\n<p>Pressure adapters in several sizes connect to different test ports and pipe diameters.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Model Comparison<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-compare\">\n<thead>\n<tr>\n<th scope=\"col\"><\/th>\n<th scope=\"col\">PT503<\/th>\n<th scope=\"col\" class=\"is-current\">PT520<\/th>\n<th scope=\"col\">PT530<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Display<\/th>\n<td>1.8-inch<\/td>\n<td class=\"is-current\">2.8-inch<\/td>\n<td>2.8-inch<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Pressure range<\/th>\n<td>-101 to 200 kPa<\/td>\n<td class=\"is-current\">-100 to 200 kPa<\/td>\n<td>-100 to 300 kPa<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Accuracy<\/th>\n<td>\u00b10.5% FS<\/td>\n<td class=\"is-current\">\u00b10.3% FS<\/td>\n<td>\u00b10.25% FS<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Flashlight<\/th>\n<td>No<\/td>\n<td class=\"is-current\">Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Magnetic back \/ button light<\/th>\n<td>No \/ No<\/td>\n<td class=\"is-current\">No \/ No<\/td>\n<td>Yes \/ Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Toolbox<\/th>\n<td>No<\/td>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-box\">\n<h4>What&#8217;s in the Box<\/h4>\n<ul class=\"abd-box\">\n<li>PT520 digital manometer<\/li>\n<li>Transparent test hoses<\/li>\n<li>Connector adapters for different pipe diameters<\/li>\n<li>User manual<\/li>\n<li>Retail box<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/8138d96a7df429957e2d3efb.webp\" alt=\"AUTOOL PT520 packing list with manometer, transparent hoses, seven adapters, retail box and user manual\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>PT520 package contents.<\/figcaption><\/figure>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Choose the test path<\/b><span>Confirm the system, medium, expected range and operating condition before selecting an adapter.<\/span><\/li>\n<li><b>Connect safely<\/b><span>Depressurize when required and fit the correctly rated adapter and hose without forcing threads.<\/span><\/li>\n<li><b>Set the condition<\/b><span>Run the system only as the vehicle procedure directs and watch every connection for leaks.<\/span><\/li>\n<li><b>Capture the reading<\/b><span>Record value, unit and condition; repeat when the procedure calls for a comparison or decay period.<\/span><\/li>\n<li><b>Depressurize and confirm<\/b><span>Return the system to a safe state, remove the adapter and restore the connection.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Button functions, unit switching and records: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/d6d6b79529a1e69bc8d42a7a.pdf\" target=\"_blank\" rel=\"noopener\">PT520 user manual (PDF)<\/a><\/p>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-notes\">\n<h4>Good to Know<\/h4>\n<div class=\"abd-notes\">\n<div class=\"abd-note-group is-caution\">\n<h5><span class=\"abd-tag\">Caution<\/span><\/h5>\n<ul>\n<li>Pa is not a display unit in the current version; choose another model if you need direct Pa readings.<\/li>\n<li>Use only non-corrosive media within the rated range; confirm compatibility before special HVAC, gas or non-automotive use.<\/li>\n<\/ul>\n<\/div>\n<div class=\"abd-note-group is-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Check the on-screen battery level before long tests or field work.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Dual-Port Differential Test:<\/strong> Use two pressure inputs for positive, negative, and differential pressure measurements.<\/li>\n<li><strong>-100\u2013200 kPa Range:<\/strong> Measure across -100 to 200 kPa with \u00b10.3% FS accuracy.<\/li>\n<li><strong>29-Set Data Storage:<\/strong> Lock, zero, and review up to 29 stored pressure records.<\/li>\n<li><strong>Ten Pressure Units:<\/strong> Switch among kPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, and kg\/cm\u00b2.<\/li>\n<li><strong>Seven Adapter Sizes:<\/strong> Connect the handheld meter to varied test ports with seven pressure-adapter sizes.<\/li>\n<\/ul>","protected":false},"featured_media":12367,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[74],"product_tag":[],"class_list":["post-11007","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-engine-pressure-tester","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/11007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/comments?post=11007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12367"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=11007"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=11007"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=11007"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=11007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}