{"id":3155,"date":"2026-09-29T05:43:41","date_gmt":"2026-09-29T05:43:41","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3155"},"modified":"2026-10-09T09:11:57","modified_gmt":"2026-10-09T09:11:57","slug":"mr-cartool-l302-digital-manifold-gauge-set-2-valve-refrigerant-pressure-tester-with-3-hoses-for-hvac-air-conditioning-refrigeration-recharging","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/mr-cartool-l302-digital-manifold-gauge-set-2-valve-refrigerant-pressure-tester-with-3-hoses-for-hvac-air-conditioning-refrigeration-recharging\/","title":{"rendered":"MRCARTOOL L302 Digital Manifold Gauge with 90 Built-In Refrigerants &#038; Leak Test Mode"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Read Both Sides of an A\/C System: Pressure and Temperature at Once<\/h3>\n<p class=\"abd-lead\">The L302 digital manifold gauge shows low- and high-side pressure and temperature together and gives the matching refrigerant temperature for the measured pressure from 90 built-in refrigerants. Switch between refrigerant, vacuum and leak-test modes for installation and service work.<\/p>\n<ul class=\"abd-facts\">\n<li>Dual Pressure + Dual Temperature<\/li>\n<li>90 Refrigerants (NIST Data)<\/li>\n<li>3 Working Modes<\/li>\n<li>\u00b10.5% Accuracy<\/li>\n<li>Adjustable Brightness<\/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>Dual Pressure Readings<\/h5>\n<p>Measures the low-pressure and high-pressure lines at the same time; the blue arrow marks low pressure and the red arrow high pressure.<\/p>\n<\/li>\n<li>\n<h5>Dual Temperature Readings<\/h5>\n<p>Shows the temperature of both lines alongside their pressures.<\/p>\n<\/li>\n<li>\n<h5>Three Working Modes<\/h5>\n<p>Refrigerant pressure, vacuum percentage and leak detection.<\/p>\n<\/li>\n<li>\n<h5>Built-In Refrigerant Database<\/h5>\n<p>Pressure-temperature data for 90 refrigerants following US NIST standards, including R410A.<\/p>\n<\/li>\n<li>\n<h5>Refrigerant and Vacuum Pressure<\/h5>\n<p>A high-precision pressure sensor reads both refrigerant pressure and vacuum pressure.<\/p>\n<\/li>\n<li>\n<h5>Readable Display and Foldable Hook<\/h5>\n<p>Adjustable screen brightness, and a foldable hook to hang the gauge during work.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec abd-hls\" id=\"abd-highlights\">\n<h4>Highlights<\/h4>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/3e768e131b544bcbab7beb27.jpg\" alt=\"MRCARTOOL L302 dual displays showing low-side and high-side pressure\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Dual Pressure Test<\/h5>\n<p>Low- and high-pressure lines are read on separate displays.<\/p>\n<\/figcaption><\/figure>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/40923c76ae5e0e8ee61bbb43.jpg\" alt=\"MRCARTOOL L302 displays showing low-side and high-side line temperature\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Dual Temperature Test<\/h5>\n<p>Each display also shows the temperature of its line.<\/p>\n<\/figcaption><\/figure>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/f80ee7533c570c9dc1e04726.jpg\" alt=\"MRCARTOOL L302 refrigerant, vacuum and leak detection mode screens\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Three Working Modes<\/h5>\n<p>Refrigerant measurement, vacuum measurement and leak detection.<\/p>\n<\/figcaption><\/figure>\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\" class=\"is-current\">L302<\/th>\n<th scope=\"col\">L202<\/th>\n<th scope=\"col\">L205<\/th>\n<th scope=\"col\">L505<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Built-in refrigerants<\/th>\n<td class=\"is-current\">90<\/td>\n<td>90<\/td>\n<td>92<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Pressure units<\/th>\n<td class=\"is-current\">kPa, bar, psi, inHg, kgf\/cm\u00b2<\/td>\n<td>kPa, bar, psi, inHg, kgf\/cm\u00b2<\/td>\n<td>kPa, MPa, bar, inHg, psi<\/td>\n<td>kPa, bar, psi, inHg, kgf\/cm\u00b2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Dual pressure test<\/th>\n<td class=\"is-current\">Yes<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Dual temperature test<\/th>\n<td class=\"is-current\">Yes<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Product size<\/th>\n<td class=\"is-current\">170 \u00d7 170 \u00d7 60 mm<\/td>\n<td>150 \u00d7 90 \u00d7 60 mm<\/td>\n<td>165 \u00d7 113 \u00d7 60 mm<\/td>\n<td>210 \u00d7 110 \u00d7 40 mm<\/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>L302 digital manifold gauge<\/li>\n<li>Refrigerant hoses<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/b56e50b11ff1c2ecb83d2d13.jpg\" alt=\"MRCARTOOL L302 main unit, red, yellow and blue refrigerant hoses, retail box and user manual\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>L302 package contents.<\/figcaption><\/figure>\n<p class=\"abd-note\">Modes, settings and refrigerant selection: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/1f0514debc1fcfbb6024b95f.pdf\" target=\"_blank\" rel=\"noopener\">L202\/L302 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-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Operate according to the instructions or under the guidance of a qualified technician.<\/li>\n<li>Keep the display clean; wash the case and connectors with a slightly alkaline detergent or soapy water.<\/li>\n<li>Check the gauge regularly to confirm its accuracy, and handle it gently to avoid shocks and drops.<\/li>\n<li>Close all valves after use, and cap the fittings when not in use to keep debris out.<\/li>\n<li>Clean or replace the refrigerant hoses regularly and remove dirt from the valves.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Wide Application: <\/strong>Suitable for installation, testing and maintenance of refrigeration equipment such as air conditioners, refrigerators, and cold storage.<\/li>\n<li><strong>Supports multiple refrigerants: <\/strong>Built-in data for 90 types of refrigerants, including refrigerant R410A.<\/li>\n<li><strong>2-Year Manufacturer Warranty:<\/strong> 2-year manufacturer warranty for non-human damage with free replacement parts. Contact us with questions.we\u2019ll respond within 24 hours.<\/li>\n<\/ul>","protected":false},"featured_media":12233,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[126],"product_cat":[109,62],"product_tag":[],"class_list":["post-3155","product","type-product","status-publish","has-post-thumbnail","product_brand-mrcartool","product_cat-vehicle-ac-filling-and-maintenance-equipment","product_cat-best-selling-products","first","instock","sale","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/3155","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=3155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12233"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=3155"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=3155"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=3155"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=3155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}