{"id":3564,"date":"2026-09-29T05:43:51","date_gmt":"2026-09-29T05:43:51","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3564"},"modified":"2026-10-09T08:20:31","modified_gmt":"2026-10-09T08:20:31","slug":"autool-lm120-digital-manifold-gauge-ac-manifold-gauge","status":"publish","type":"product","link":"https:\/\/autoboss.com\/de\/product\/autool-lm120-digital-manifold-gauge-ac-manifold-gauge\/","title":{"rendered":"AUTOOL LM120 0\u20136 MPa Digital Manifold Gauge with Dual Temperature Inputs"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Read Both Pressure Sides and Calculate Superheat and Subcooling<\/h3>\n<p class=\"abd-lead\">The LM120 reads high- and low-side gauge pressure on one backlit display, monitors relative vacuum, runs a timed pressure-retention test and supports refrigerant charging. Pipe temperatures and SH\/SC calculations need compatible clamp probes, which are included only in selected packages or bought separately.<\/p>\n<ul class=\"abd-facts\">\n<li>0\u20136 MPa Gauge Pressure<\/li>\n<li>Dual Temperature Inputs<\/li>\n<li>Superheat \/ Subcooling<\/li>\n<li>Timed Pressure Retention<\/li>\n<li>1\/4-Inch Connections<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Hauptmerkmale<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>Dual Pressure and Temperature<\/h5>\n<p>Reads high- and low-side pressure together with two pipe temperatures during installation, testing and service.<\/p>\n<\/li>\n<li>\n<h5>Superheat and Subcooling<\/h5>\n<p>With the correct refrigerant selected and the probes fully seated on the pipes, the gauge calculates SH and SC from pressure and temperature data.<\/p>\n<\/li>\n<li>\n<h5>Vacuum Monitoring<\/h5>\n<p>Follow relative vacuum during an approved evacuation procedure before charging.<\/p>\n<\/li>\n<li>\n<h5>Timed Pressure-Retention Test<\/h5>\n<p>Shows initial pressure, current pressure, pressure difference (\u0394P) and elapsed time to help assess system tightness.<\/p>\n<\/li>\n<li>\n<h5>Charging Assistance<\/h5>\n<p>Built-in refrigerant data gives direct operating readings to support the equipment-specific charging procedure.<\/p>\n<\/li>\n<li>\n<h5>Durable Controls<\/h5>\n<p>High-strength engineering plastic housing, non-slip silicone grip and long-life valve switches.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-specs\">\n<h4>More Specifications<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-specs\">\n<tbody>\n<tr>\n<th scope=\"row\">Pressure type<\/th>\n<td>Gauge pressure (referenced to atmosphere, not absolute)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Battery type<\/th>\n<td>1.5 V AA \/ LR6<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Refrigerant inlet<\/th>\n<td>Middle port with a valve core for venting air from the hose<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>Anwendung<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Confirm refrigerant and ratings<\/b><span>Identify the system refrigerant from reliable vehicle or equipment data and check the gauge, hose and system pressure limits.<\/span><\/li>\n<li><b>Inspect and zero<\/b><span>Close both valves, inspect hoses and fittings, power on, choose mode, units and refrigerant, and zero residual pressure if required.<\/span><\/li>\n<li><b>Connect by flow direction<\/b><span>Attach the correct hose ends to the service ports according to the manual and system procedure.<\/span><\/li>\n<li><b>Run the required mode<\/b><span>Use pressure\/refrigerant mode, vacuum mode or the pressure-retention test; seat the temperature probes fully when SH\/SC is needed.<\/span><\/li>\n<li><b>Close, verify and disconnect<\/b><span>Close the valves in the required order, let high-side pressure fall to a safe point, review results and disconnect.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Setup, measurement and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/cf1714f1ff21c490e9a37953.pdf\" target=\"_blank\" rel=\"noopener\">LM120 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>Temperature probes and batteries may not be included; confirm your package configuration before ordering.<\/li>\n<li>The gauge does not identify refrigerant. Select the known refrigerant before interpreting readings or charging.<\/li>\n<li>The measuring span, instrument limit and hose ratings are separate values. Work to the lowest applicable working rating of system, gauge and hose, never to a limit figure.<\/li>\n<li>Do not remove the high-pressure connection until pressure has dropped to a safe point.<\/li>\n<li>A pressure-retention change can flag a sealing problem but does not locate the leak; use a separate approved method.<\/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>Replace damaged hoses, seals or fittings, and use a suitably rated hose if the supplied one does not meet the job.<\/li>\n<li>Keep the instrument dry and away from heat, humidity, flammable or explosive areas and strong electromagnetic fields.<\/li>\n<li>Do not modify the internal circuit.<\/li>\n<li>Replace the batteries when the low-battery sign appears.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Dual-Pressure Manifold:<\/strong> Read high- and low-side gauge pressure together, with dedicated valves for direct control during the service sequence.<\/li>\n<li><strong>Temperature-Based SH\/SC:<\/strong> Select the correct refrigerant and connect compatible probes to display two pipe temperatures and calculate superheat or subcooling; probe inclusion varies by package.<\/li>\n<li><strong>Vacuum, Hold + Charge Modes:<\/strong> Supports vacuum monitoring, timed pressure-retention testing, and refrigerant-charging assistance.<\/li>\n<li><strong>Backlit Multi-Unit Display:<\/strong> Switch pressure and \u00b0C\/\u00b0F units on the large backlit LCD.<\/li>\n<\/ul>","protected":false},"featured_media":12439,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[109,62],"product_tag":[142,143,139,144,140,145],"class_list":["post-3564","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-vehicle-ac-filling-and-maintenance-equipment","product_cat-best-selling-products","product_tag-ac-manifold-gauge","product_tag-digital-ac-gauges","product_tag-digital-hvac-gauges","product_tag-digital-manifold-gauges","product_tag-refrigerant-gauges","product_tag-refrigerant-leak-detector","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product\/3564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/comments?post=3564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media\/12439"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media?parent=3564"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_brand?post=3564"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_cat?post=3564"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_tag?post=3564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}