{"id":56963,"date":"2025-06-06T07:49:31","date_gmt":"2025-06-06T07:49:31","guid":{"rendered":"https:\/\/shop.autooltech.com\/?post_type=product&p=56963"},"modified":"2026-05-15T06:42:02","modified_gmt":"2026-05-15T13:42:02","slug":"autool-lm100-refrigerant-leak-detector","status":"publish","type":"product","link":"https:\/\/autoolstore.com\/da\/product\/autool-lm100-refrigerant-leak-detector\/","title":{"rendered":"AUTOOL LM100 Smart Digital Vaccum Gauge"},"content":{"rendered":"
\n
\n
\n
\n
AUTOOL LM100<\/div>\n

Product Overview<\/h2>\n

AUTOOL LM100 Intelligent Digital Vacuum Gauge is a powerful digital vacuum gauge for refrigeration, HVAC, and automotive A\/C service. Built with high-strength engineering plastics, soft non-slip silicone, a brass valve body, and a foldable hook, it combines rugged durability with comfortable handheld operation. Equipped with a high-precision sensor, it delivers measurement accuracy up to \u00b10.2% and resolution as fine as 0.1 mbar. The 2.8-inch backlit display, evacuation mode, pressure retention test mode, one-button 7-unit switching, automatic sleep function, and LM130 data transmission support make it a compact and practical tool for vacuum monitoring and refrigeration system sealing checks.<\/p>\n

\n \u00b10.2% Accuracy<\/span>\n 0.1 mbar Resolution<\/span>\n Evacuation Mode<\/span>\n LM130 Data Transfer<\/span>\n <\/div>\n
\n
2.8-inch<\/span>Backlit Display<\/span><\/div>\n
7 Units<\/span>One-Button Switch<\/span><\/div>\n
20 min<\/span>Auto Sleep<\/span><\/div>\n
3 Years<\/span>Warranty<\/span><\/div>\n <\/div>\n <\/div>\n
\n
\n \"AUTOOL\n \n Click to enlarge<\/span>\n <\/figure>\n
\n \"AUTOOL\n \n Click to enlarge<\/span>\n <\/figure>\n <\/div>\n <\/div>\n <\/section>\n\n
\n
\n
Key Features<\/div>\n

Key Features<\/h2>\n

LM100 focuses on accurate vacuum measurement, refrigeration system sealing checks, LM130 synchronized data transfer, and portable field operation.<\/p>\n <\/div>\n

\n
\n

Accurate Data Measurement<\/h3>\n

Equipped with a high-precision sensor, LM100 offers measurement accuracy up to \u00b10.2% and vacuum resolution up to 0.1 mbar.<\/p>\n <\/article>\n

\n

Data Transmission With LM130<\/h3>\n

The integrated microprocessor and communication interface enable synchronized data transfer when connected with the AUTOOL LM130.<\/p>\n <\/article>\n

\n

Pressure Retention Test<\/h3>\n

Pressure retention test mode helps detect the sealing condition of refrigeration systems and supports small-leak inspection.<\/p>\n <\/article>\n

\n

Portable Durable Build<\/h3>\n

High-strength engineering plastics, soft anti-slip silicone, brass valve body, and foldable hook support rugged daily service use.<\/p>\n <\/article>\n <\/div>\n <\/section>\n\n

\n
\n
Key Features<\/div>\n

Key Features<\/h2>\n

LM100 combines high-precision measurement, evacuation monitoring, leak testing, backlit display, unit switching, and practical structure design for refrigeration and A\/C service work.<\/p>\n <\/div>\n

\n
\n

High-Precision Sensor<\/h3>\n

Measurement accuracy up to \u00b10.2%, vacuum resolution up to 0.1 hPa \/ 0.1 mbar \/ 0.1 Torr \/ 0.01 inHg, and temperature accuracy up to \u00b10.5\u00b0C \/ \u00b10.9\u00b0F \/ \u00b10.5K.<\/p>\n <\/article>\n

\n

Evacuation Mode<\/h3>\n

Quickly monitors air and moisture removal during refrigeration system evacuation and displays vacuum level changes in real time.<\/p>\n <\/article>\n

\n

Pressure Leak Test Mode<\/h3>\n

Pressure retention test mode helps accurately inspect refrigeration system sealing condition and identify small pressure changes.<\/p>\n <\/article>\n

\n

LM130 Data Transmission<\/h3>\n

Connects with LM130 through the integrated communication interface for high-precision synchronized data transmission.<\/p>\n <\/article>\n

\n

2.8-Inch Backlit Display<\/h3>\n

The high-definition backlit display is suitable for dim and bright environments, with 0.5-second response time for quick reading.<\/p>\n <\/article>\n

\n

User-Friendly Structure<\/h3>\n

Foldable hook, multi-button layout, silicone side grip, brass connector, and automatic power-off after 20 minutes of inactivity improve field usability.<\/p>\n <\/article>\n <\/div>\n\n

\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n
\"AUTOOL\n Click to enlarge<\/span>\n <\/figure>\n <\/div>\n <\/section>\n\n
\n
\n
Specifications<\/div>\n

Specifications And Pressure Safety Limits<\/h2>\n

Confirm vacuum range, unit support, temperature range, pressure limits, hose pressure rating, display, and operating environment before testing.<\/p>\n <\/div>\n\n

\n \n\n
Measurement<\/td><\/tr>\n
Vacuum Units<\/td>hPa, mbar, Torr, inHg<\/td><\/tr>\n
Temperature Units<\/td>\u00b0C, \u00b0F, K<\/td><\/tr>\n
Vacuum Range<\/td>0-2000 mbar \/ 0-1500 Torr<\/td><\/tr>\n
Absolute Pressure Display<\/td>0-2000 mbar<\/td><\/tr>\n
Vacuum Resolution<\/td>0.1 hPa \/ 0.1 mbar \/ 0.1 Torr \/ 0.01 inHg<\/td><\/tr>\n
Vacuum Accuracy<\/td>Within \u00b10.2% of full range<\/td><\/tr>\n
Temperature Range<\/td>-55-125\u00b0C \/ -67-257\u00b0F \/ 218-398K<\/td><\/tr>\n
Temperature Resolution<\/td>0.1\u00b0C \/ 0.1\u00b0F \/ 1K<\/td><\/tr>\n
Temperature Accuracy<\/td>\u00b10.5\u00b0C \/ \u00b10.9\u00b0F \/ \u00b10.5K<\/td><\/tr>\n\n
Device<\/td><\/tr>\n
Display<\/td>2.8-inch backlit display<\/td><\/tr>\n
Response Time<\/td>0.5 seconds<\/td><\/tr>\n
Operating Temperature<\/td>-10-60\u00b0C<\/td><\/tr>\n
Operating Voltage<\/td>6V, 4 \u00d7 1.5V batteries<\/td><\/tr>\n
Auto Sleep<\/td>Automatically powers off after 20 minutes of inactivity<\/td><\/tr>\n
Body<\/td>High-strength engineering plastics and soft anti-slip silicone<\/td><\/tr>\n
Connector<\/td>Brass valve body \/ refilling tube brass connector<\/td><\/tr>\n
Hook<\/td>Foldable hook design<\/td><\/tr>\n\n
Pressure Safety<\/td><\/tr>\n
Gauge Pressure Range<\/td>-101 kPa to 6 MPa \/ -0.1 bar to 60 bar<\/td><\/tr>\n
Absolute Limit<\/td>10 MPa \/ 100 bar<\/td><\/tr>\n
Standard Hose Max Working Pressure<\/td>600 PSI \/ about 4.13 MPa \/ 41.3 bar<\/td><\/tr>\n
Standard Hose Limit<\/td>3000 PSI \/ about 20.68 MPa \/ 206.8 bar<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n
\n
\n Measurement<\/summary>\n
\n
Vacuum Units<\/span>hPa, mbar, Torr, inHg<\/strong><\/div>\n
Temperature Units<\/span>\u00b0C, \u00b0F, K<\/strong><\/div>\n
Vacuum Range<\/span>0-2000 mbar \/ 0-1500 Torr<\/strong><\/div>\n
Vacuum Resolution<\/span>0.1 hPa \/ 0.1 mbar \/ 0.1 Torr \/ 0.01 inHg<\/strong><\/div>\n
Vacuum Accuracy<\/span>Within \u00b10.2% of full range<\/strong><\/div>\n
Temperature Range<\/span>-55-125\u00b0C \/ -67-257\u00b0F \/ 218-398K<\/strong><\/div>\n
Temperature Accuracy<\/span>\u00b10.5\u00b0C \/ \u00b10.9\u00b0F \/ \u00b10.5K<\/strong><\/div>\n <\/div>\n <\/details>\n
\n Device<\/summary>\n
\n
Display<\/span>2.8-inch backlit display<\/strong><\/div>\n
Response Time<\/span>0.5 seconds<\/strong><\/div>\n
Operating Temperature<\/span>-10-60\u00b0C<\/strong><\/div>\n
Operating Voltage<\/span>6V, 4 \u00d7 1.5V batteries<\/strong><\/div>\n
Auto Sleep<\/span>Automatically powers off after 20 minutes of inactivity<\/strong><\/div>\n
Body<\/span>High-strength engineering plastics and soft anti-slip silicone<\/strong><\/div>\n
Hook<\/span>Foldable hook design<\/strong><\/div>\n <\/div>\n <\/details>\n
\n Pressure Safety<\/summary>\n
\n
Gauge Pressure Range<\/span>-101 kPa to 6 MPa \/ -0.1 bar to 60 bar<\/strong><\/div>\n
Absolute Limit<\/span>10 MPa \/ 100 bar<\/strong><\/div>\n
Standard Hose Max Working Pressure<\/span>600 PSI \/ about 4.13 MPa \/ 41.3 bar<\/strong><\/div>\n
Standard Hose Limit<\/span>3000 PSI \/ about 20.68 MPa \/ 206.8 bar<\/strong><\/div>\n <\/div>\n <\/details>\n <\/div>\n <\/section>\n\n
\n
\n
\n
Product Comparison<\/div>\n

Product Comparison<\/h2>\n

LM100 is positioned as a smart digital vacuum gauge for vacuum monitoring and pressure leak testing. Compare it with AUTOOL LM120, LM120+, LM130, LM150, and LM160 before choosing a complete A\/C gauge or refrigerant tool.<\/p>\n

\n
LM100 Focus<\/span>Vacuuming mode, pressure leak test, foldable hook, vacuum units, temperature units, and LM130 data transmission support<\/strong><\/div>\n
Compared With LM120 \/ LM150 \/ LM160<\/span>LM120, LM150, and LM160 focus more on refrigerant mode, high \/ low pressure valve use, refrigerant database, and manifold testing<\/strong><\/div>\n
Compared With LM130<\/span>LM100 can connect with LM130 for synchronized data transmission, while LM130 itself is a separate digital manifold gauge tool<\/strong><\/div>\n
Decision Check<\/span>Choose LM100 for vacuum monitoring and pressure retention leak tests; compare LM120 \/ LM150 \/ LM160 if refrigerant filling, manifold functions, or refrigerant database support is required<\/strong><\/div>\n <\/div>\n <\/div>\n
\n \"Comparison\n Click to enlarge<\/span>\n <\/figure>\n <\/div>\n <\/section>\n\n
\n
\n
Manual And Downloads<\/div>\n

Manual And Downloads<\/h2>\n

Download the AUTOOL LM100 user manual for setup, unit switching, evacuation mode, pressure leak test mode, safety limits, and maintenance guidance.<\/p>\n <\/div>\n

\n
\n
\n \"AUTOOL\n \n Click to enlarge<\/span>\n <\/figure>\n
\n

AUTOOL LM100 User Manual<\/h3>\n

Open the PDF manual for LM100 operation, safety limits, pressure leak test mode, evacuation mode, and unit settings.<\/p>\n Download Manual<\/a>\n <\/div>\n <\/article>\n

\n

Need Setup Confirmation?<\/h3>\n

Contact AUTOOL Store if you need to confirm pressure range, hose compatibility, LM130 data transmission, unit switching, or refrigeration system leak test setup before use.<\/p>\n

\n Email<\/span>support@autoolstore.com<\/span><\/a>\n WhatsApp<\/span>+86 189 2647 7404<\/span><\/a>\n <\/div>\n <\/article>\n <\/div>\n <\/section>\n\n
\n
\n
Related Products<\/div>\n

Related Products<\/h2>\n

Compare related AUTOOL digital manifold gauges and refrigerant tools before choosing the right gauge type, refrigerant function, and testing workflow.<\/p>\n <\/div>\n