{"id":3274,"date":"2026-09-29T05:43:44","date_gmt":"2026-09-29T05:43:44","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3274"},"modified":"2026-10-09T08:20:31","modified_gmt":"2026-10-09T08:20:31","slug":"autool-lm150-digital-manifold-gauges-digital-ac-gauges","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-lm150-digital-manifold-gauges-digital-ac-gauges\/","title":{"rendered":"AUTOOL LM150 Digital Manifold Gauge Kit with 93-Refrigerant Database &#038; SH\/SC"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Read Both Pressures and Pipe Temperatures for SH\/SC in One Gauge<\/h3>\n<p class=\"abd-lead\">The LM150 reads high- and low-side gauge pressure alongside two clamp temperatures, then calculates superheat and subcooling from your selected refrigerant. It also monitors vacuum and timed pressure retention for automotive A\/C, household A\/C and cold-storage service.<\/p>\n<ul class=\"abd-facts\">\n<li>93 Refrigerants<\/li>\n<li>2 Temperature Clamps<\/li>\n<li>SH \/ SC<\/li>\n<li>-101 kPa to 6 MPa<\/li>\n<li>IP54 Housing<\/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, Dual Temperature<\/h5>\n<p>High- and low-side pressure plus T1\/T2 pipe temperatures, with evaporation and condensation temperatures shown together on the backlit screen.<\/p>\n<\/li>\n<li>\n<h5>NIST-Standard Refrigerant Library<\/h5>\n<p>Select the known refrigerant from 93 stored profiles to view its operating data during service.<\/p>\n<\/li>\n<li>\n<h5>Superheat and Subcooling<\/h5>\n<p>Calculated from the selected refrigerant, the pressure readings and stable clamp temperatures.<\/p>\n<\/li>\n<li>\n<h5>Vacuum Monitoring<\/h5>\n<p>Follow vacuum pressure and vacuum percentage during evacuation.<\/p>\n<\/li>\n<li>\n<h5>Pressure-Retention Test<\/h5>\n<p>Records initial pressure, current pressure, the difference and elapsed time to judge system tightness.<\/p>\n<\/li>\n<li>\n<h5>Charging Assistance<\/h5>\n<p>V-shaped ball valves, a refrigerant sight window and three-color hoses support the system-specific charging procedure.<\/p>\n<\/li>\n<li>\n<h5>Built for Workshop Handling<\/h5>\n<p>Engineering-plastic body with anti-slip silicone, a foldable hook and a pressure release valve.<\/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 test range<\/th>\n<td>0 to 6000 kPa<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Vacuum test range<\/th>\n<td>-101 to 0 kPa<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Hose working pressure (metric)<\/th>\n<td>Approx. 4.13 MPa \/ 41.3 bar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>LM150 vs LM160<\/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\">LM150<\/th>\n<th scope=\"col\">LM160<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Refrigerant database<\/th>\n<td class=\"is-current\">93<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Program-controlled menu<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Side handrails<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Wired temperature clamps<\/th>\n<td class=\"is-current\">2 included<\/td>\n<td>2 included<\/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>LM150 digital manifold gauge<\/li>\n<li>Hard storage case<\/li>\n<li>Red, blue and yellow service hoses<\/li>\n<li>Two wired T1\/T2 temperature clamps<\/li>\n<li>Small adapters and brass connector<\/li>\n<li>User manual and retail box<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/2639648364befc7d1773b217.webp\" alt=\"AUTOOL LM150 packing list: main unit, hard case, three hoses with adapters, retail box, manual and two temperature clamps\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>Package contents as shown by the manufacturer.<\/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>Identify the refrigerant<\/b><span>Confirm the exact refrigerant from the vehicle or equipment information before selecting a profile.<\/span><\/li>\n<li><b>Check ratings and hardware<\/b><span>Inspect valve stems, nylon seals, fittings and hoses, and compare the system, gauge and hose working limits.<\/span><\/li>\n<li><b>Power, zero and connect<\/b><span>Install four AA batteries, close the valves, zero any residual reading and connect the correct hose ends.<\/span><\/li>\n<li><b>Run the selected mode<\/b><span>Use live pressure, vacuum or retention mode; clamp both probes firmly to the pipes for temperature and SH\/SC.<\/span><\/li>\n<li><b>Review and disconnect<\/b><span>Compare results with the service procedure, close the valves, let high-side pressure drop to a safe point and disconnect in the prescribed order.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Full measurement, charging and troubleshooting steps: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/da73e3e09b5d0fe2e977dbdc.pdf\" target=\"_blank\" rel=\"noopener\">LM150 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>Work to the lowest of the system, gauge and hose working ratings. The 10 MPa overload limit and the 3000 PSI hose burst value are not operating targets.<\/li>\n<li>Do not remove the high-pressure connection until pressure has dropped to a safe point.<\/li>\n<li>Wear protective equipment and ventilate the area. Do not use or store the gauge in high heat, high humidity, flammable, explosive or strong electromagnetic environments.<\/li>\n<li>Do not modify the internal circuit.<\/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>Hose-end nylon pads wear with use; replace worn pads, hoses or fittings before testing.<\/li>\n<li>Tighten the copper plug screw on the middle refrigerant inlet before or after operation as required.<\/li>\n<li>Replace the batteries when the low-power sign appears.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-faq\">\n<h4>FAQ<\/h4>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Does the LM150 identify the refrigerant?<\/summary>\n<p>No. Select only a refrigerant already confirmed from the vehicle or equipment information.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Can it locate a leak?<\/summary>\n<p>No. A pressure change in the retention test can flag a problem; use a separate approved method to find it.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Why might refrigerant filling fail?<\/summary>\n<p>Check the hose ends: connect the end with a valve core to the refrigeration system and the end without a core to the gauge, then inspect seals, fittings and valves.<\/p>\n<\/details>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Dual Pressure + Included Clamps:<\/strong> Read both pressure sides and two pipe temperatures; the kit includes two wired clip-on probes.<\/li>\n<li><strong>93-Refrigerant Database:<\/strong> Select from 93 built-in NIST-standard refrigerants to reference operating data during service.<\/li>\n<li><strong>Superheat &amp; Subcooling:<\/strong> Calculate SH\/SC from the selected refrigerant, pressure readings, and stable T1\/T2 measurements.<\/li>\n<li><strong>Vacuum, Hold + Charge Modes:<\/strong> Supports relative-vacuum monitoring, timed pressure-retention testing, and refrigerant-charging assistance.<\/li>\n<li><strong>Direct Ball-Valve Control:<\/strong> V-shaped high- and low-side ball valves provide direct flow-path control.<\/li>\n<\/ul>","protected":false},"featured_media":12265,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[109,62],"product_tag":[],"class_list":["post-3274","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-vehicle-ac-filling-and-maintenance-equipment","product_cat-best-selling-products","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/3274","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=3274"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12265"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=3274"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=3274"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=3274"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=3274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}