{"id":10652,"date":"2026-09-30T10:38:04","date_gmt":"2026-09-30T10:38:04","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=10652"},"modified":"2026-10-09T04:12:58","modified_gmt":"2026-10-09T04:12:58","slug":"autool-lm70-smart-digital-manifold-gauge-with-superheat-subcooling","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-lm70-smart-digital-manifold-gauge-with-superheat-subcooling\/","title":{"rendered":"AUTOOL LM70 Digital Manifold Gauge with Superheat &#038; Subcooling Calculation"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Superheat and Subcooling From Live Pressure and Pipe Temperature<\/h3>\n<p class=\"abd-lead\">The LM70 reads high- and low-side pressure together with two wired pipe clamps and calculates superheat and subcooling for the refrigerant you select. It does not identify refrigerant or locate leaks.<\/p>\n<ul class=\"abd-facts\">\n<li>Dual-Channel Pressure<\/li>\n<li>2 Pipe-Temperature Clamps<\/li>\n<li>16 Refrigerant Profiles<\/li>\n<li>SH \/ SC Calculation<\/li>\n<li>Vacuum &amp; Hold Modes<\/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-Channel Pressure<\/h5>\n<p>Reads high- and low-side pressure together, reducing repeated port switching during diagnosis and charging.<\/p>\n<\/li>\n<li>\n<h5>Two Pipe-Temperature Inputs<\/h5>\n<p>The wired clamps provide simultaneous line temperatures.<\/p>\n<\/li>\n<li>\n<h5>Automatic Superheat and Subcooling<\/h5>\n<p>Calculated from the selected refrigerant, both pressure readings and stable pipe-temperature inputs.<\/p>\n<\/li>\n<li>\n<h5>Pressure-Retention Test<\/h5>\n<p>Shows test time, start pressure, current pressure and pressure difference to assess system sealing.<\/p>\n<\/li>\n<li>\n<h5>Real-Time Vacuum Monitoring<\/h5>\n<p>Displays the live vacuum level, measurement time and temperature data during evacuation.<\/p>\n<\/li>\n<li>\n<h5>Charging Assistance<\/h5>\n<p>Digital readings, the valve set, refrigerant sight window and three-color hoses support refrigerant filling and system debugging.<\/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 range in kPa<\/th>\n<td>0-6000 kPa<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Temperature range in \u00b0F<\/th>\n<td>-67\u00b0F to 257\u00b0F<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Named refrigerants include<\/th>\n<td>R134a, R1234yf, R410a, R22, R404a, R407a, R12, R1233zd<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Controls and ports<\/th>\n<td>Low- and high-pressure control knobs, left and right probe sockets<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Applications<\/th>\n<td>Automotive A\/C, home air conditioners, refrigeration equipment debugging, cold storage maintenance<\/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>LM70 main unit<\/li>\n<li>Red and blue connectors<\/li>\n<li>Three-color refrigerant hoses<\/li>\n<li>Two clamp-type wired temperature probes<\/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\/fd703ed2cfeed2c263e29c3c.webp\" alt=\"AUTOOL LM70 digital manifold with red and blue connectors, retail box, three-color hoses, two clamp temperature probes and user manual\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>LM70 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>Confirm refrigerant and ratings<\/b><span>Identify the refrigerant, check it is in the profile list and compare system, gauge and hose ratings.<\/span><\/li>\n<li><b>Inspect and connect<\/b><span>Check hoses, couplers and probes; connect the red and blue service sides and clamp both pipes firmly.<\/span><\/li>\n<li><b>Select units and refrigerant<\/b><span>Choose the exact profile and the pressure, vacuum and temperature units.<\/span><\/li>\n<li><b>Read or run a test<\/b><span>Review both pressure sides and SH\/SC, monitor vacuum, or run the timed retention mode.<\/span><\/li>\n<li><b>Verify and follow up<\/b><span>Compare results with the equipment procedure and use separate diagnosis to locate leaks or abnormal operation.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Readings, refrigerant selection, vacuum checks and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/a5f75d9745abb93918cdb636.pdf\" target=\"_blank\" rel=\"noopener\">LM70 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>The 3000 PSI hose figure is a burst rating, not a working limit. If the system needs more than the hose working rating, use a suitable substitute hose.<\/li>\n<li>Do not exceed the LM70 pressure range.<\/li>\n<li>Do not use or store the gauge in high-temperature, high-humidity, flammable, explosive or strong electromagnetic environments, and do not modify its circuitry.<\/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>Poor clamp contact can invalidate SH\/SC results; keep both clamps firmly seated.<\/li>\n<li>Wear suitable protection and work in a ventilated area.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Dual Pressure + Temperature:<\/strong> Read high- and low-side pressure together with simultaneous line temperatures from two wired clamps.<\/li>\n<li><strong>Automatic SH\/SC:<\/strong> Calculate superheat and subcooling from the selected refrigerant, pressure readings, and stable pipe-temperature inputs.<\/li>\n<li><strong>16 Refrigerant Profiles:<\/strong> Select from 16 named refrigerants, including R134a and R1234yf.<\/li>\n<li><strong>Vacuum + Retention Modes:<\/strong> Monitor live vacuum during evacuation and review time, starting pressure, current pressure, and pressure difference for sealing assessment.<\/li>\n<li><strong>0.1 psi \/ 0.1\u00b0C Resolution:<\/strong> Track changes with 0.1 psi pressure and 0.1\u00b0C\/0.1\u00b0F temperature resolution.<\/li>\n<\/ul>","protected":false},"featured_media":12637,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[109],"product_tag":[],"class_list":["post-10652","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-vehicle-ac-filling-and-maintenance-equipment","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/10652","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=10652"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12637"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=10652"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=10652"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=10652"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=10652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}