{"id":10696,"date":"2026-09-30T10:38:05","date_gmt":"2026-09-30T10:38:05","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=10696"},"modified":"2026-10-09T05:51:03","modified_gmt":"2026-10-09T05:51:03","slug":"autool-lm100-digital-vacuum-gauge","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-lm100-digital-vacuum-gauge\/","title":{"rendered":"AUTOOL LM100 Digital Vacuum Gauge with \u00b10.2% FS Accuracy"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Watch Evacuation and Confirm Vacuum Hold on A\/C and Refrigeration Systems<\/h3>\n<p class=\"abd-lead\">The LM100 tracks vacuum level during evacuation and pressure change after the system is isolated, with vacuum and temperature readings in seven selectable units. It is a vacuum gauge only, with no refrigerant database or manifold charging valves.<\/p>\n<ul class=\"abd-facts\">\n<li>0\u20132000 mbar Vacuum Range<\/li>\n<li>\u00b10.2% FS Accuracy<\/li>\n<li>0.1 mbar Resolution<\/li>\n<li>2.8-Inch Backlit Display<\/li>\n<li>LM130 Data Link<\/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>Evacuation Monitoring<\/h5>\n<p>Follow the vacuum trend while the system is evacuated instead of relying on elapsed pump time alone.<\/p>\n<\/li>\n<li>\n<h5>Pressure-Retention Test<\/h5>\n<p>Observe pressure change after isolating the system to judge whether sealing needs further investigation.<\/p>\n<\/li>\n<li>\n<h5>Seven Selectable Units<\/h5>\n<p>Switch among hPa, mbar, Torr, inHg, \u00b0C, \u00b0F and K with one button.<\/p>\n<\/li>\n<li>\n<h5>Synchronized Data with LM130<\/h5>\n<p>A built-in microprocessor and communication interface share measurement data with a separate AUTOOL LM130.<\/p>\n<\/li>\n<li>\n<h5>Field-Friendly Housing<\/h5>\n<p>Engineering plastic with non-slip silicone sides, a brass valve body and a foldable hook for handheld or hanging use.<\/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\">Standard hose working pressure<\/th>\n<td>600 PSI<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Standard hose limit pressure<\/th>\n<td>3000 PSI (not a working-pressure rating)<\/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>LM100 smart digital vacuum gauge<\/li>\n<li>Data\/connection cable<\/li>\n<li>Brass valve connector<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/a904ea05bb06a9ab16350e58.webp\" alt=\"AUTOOL LM100 vacuum gauge with retail box, user manual, connection cable, brass connector and yellow short hose\" width=\"800\" height=\"800\" loading=\"lazy\"><figcaption>LM100 package contents. Confirm whether the yellow short hose is included with your package.<\/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 the test limits<\/b><span>Check the equipment rating, the LM100 measuring range and the hose working-pressure rating before connecting.<\/span><\/li>\n<li><b>Connect and select units<\/b><span>Use a suitably rated hose, hang the gauge on its hook if useful and choose the unit the procedure requires.<\/span><\/li>\n<li><b>Monitor evacuation<\/b><span>Run the approved evacuation procedure and follow the live vacuum trend until the service specification is reached.<\/span><\/li>\n<li><b>Isolate and observe<\/b><span>Close the system, use pressure-retention mode and watch the change over the specified test period.<\/span><\/li>\n<li><b>Interpret and follow up<\/b><span>If pressure changes, inspect connections and locate the leak with an approved method before charging.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Setup, unit selection, LM130 data transfer and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/c80832f22685bb82bac7fee6.pdf\" target=\"_blank\" rel=\"noopener\">LM100 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>Keep operation within the measuring range; the 10 MPa limit is not an operating target. Use the lowest working rating of the system, gauge and hose.<\/li>\n<li>Refrigerant identification, charging and leak location require other service tools.<\/li>\n<li>Do not use or store the gauge in high heat, high humidity, flammable or explosive areas or strong electromagnetic fields, 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>Wear suitable protective equipment and work in a well-ventilated area on pressurized refrigerant systems.<\/li>\n<li>Use the same connection, units, stabilization period and conditions when comparing repeat tests.<\/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 LM100 support a refrigerant mode?<\/summary>\n<p>No. It has no refrigerant database or high\/low manifold valves; choose a digital manifold such as the LM120, LM150 or LM160 when you need those functions.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Can it locate a leak?<\/summary>\n<p>A pressure change tells you to inspect further. Check the setup, then locate the leak with an approved method.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>What does a changing isolated reading mean?<\/summary>\n<p>It can indicate a connection, hose or system-sealing problem. Recheck the setup and use an approved method to find the cause.<\/p>\n<\/details>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Evacuation &amp; Hold Checks:<\/strong> Follow vacuum changes during evacuation, then observe pressure after isolation to assess whether system sealing needs further investigation.<\/li>\n<li><strong>Vacuum Range &amp; Accuracy:<\/strong> Measure 0\u20132000 mbar \/ 0\u20131500 Torr with resolution down to 0.1 mbar and \u00b10.2% full-scale vacuum accuracy.<\/li>\n<li><strong>2.8-Inch, 0.5-Second Readout:<\/strong> The 2.8-inch backlit display responds in about 0.5 seconds and switches among seven vacuum or temperature units.<\/li>\n<li><strong>LM130 Data Link:<\/strong> Connects to the separate LM130 through its built-in communication interface for synchronized measurement data.<\/li>\n<\/ul>","protected":false},"featured_media":12333,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[109],"product_tag":[],"class_list":["post-10696","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\/10696","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=10696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12333"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=10696"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=10696"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=10696"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=10696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}