LANGUAGE & CURRENCY
AUTOOL LM70 Smart Digital Manifold
US$169.00
Key Features
- Dual-Side Monitoring
- Auto Superheat Calculations
- 16 Refrigerants Built In
- Dual-Side Monitoring: Dual-channel valves and clamp probes let users watch high- and low-side changes at the same time.
- Auto Superheat Calculations: Automatically calculates superheating and subcooling to improve refrigerant filling accuracy.
- 16 Refrigerants Built In: Built-in data for 16 mainstream refrigerants broadens service coverage across home and vehicle A/C systems.
- 3-Year Warranty Main unit 3 years · Accessories 1 year
- 90-Day Returns Eligible returns within 90 days
- Official Store Genuine products · Direct support
AUTOOL LM70
Product Overview
The AUTOOL LM70 Smart Digital Manifold is an intelligent refrigerant gauge for automotive air conditioning, home air conditioning, and refrigeration maintenance. It combines pressure measurement, temperature measurement, vacuum monitoring, refrigerant filling, pressure leak testing, and system debugging in one compact dual-channel tool, helping technicians and beginners evaluate A/C system status more accurately and efficiently.
0.1 Psi Resolution ≤0.5% FS Accuracy 16 Refrigerants Superheat / Subcooling
0-870 PsiPressure Range
-1010~0mBar Vacuum
16Refrigerants
3 YearsWarranty
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Click to enlargeKey Features
Key Features
LM70 provides one-stop support for A/C and refrigeration diagnostics, including high-precision pressure measurement, dual-channel monitoring, automatic superheat / subcooling calculation, pressure leak testing, vacuum monitoring, and refrigerant charging support.
High-Precision Measurement
Advanced digital sensors support 0.1 Psi pressure resolution and 0.1°C / 0.1°F temperature resolution, helping capture subtle changes during installation, maintenance, and system debugging.
Dual-Channel Pressure Monitoring
The dual-channel design monitors high-side and low-side pressure values at the same time, reducing repeated port switching and improving diagnosis and refrigerant charging efficiency.
Superheat And Subcooling
LM70 automatically calculates current refrigerant superheating and subcooling values to help users understand key refrigeration system operating parameters more quickly.
Pressure Leak Testing
Pressure leak test mode displays measurement time, start pressure, current pressure, and delta pressure to help identify small leaks and recurring A/C faults.
Vacuum Mode
Vacuum mode provides real-time vacuum level display during evacuation, helping users monitor vacuum quality before refrigerant filling or system commissioning.
Refrigerant Charging Support
Use the digital pressure / temperature readings, valve set, refrigerant observation window, and three-color hoses to support refrigerant filling and system debugging.
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Click to enlargeProduct Details
Product Details
LM70 includes mainstream refrigerant data, pressure / vacuum / temperature unit switching, a high-brightness backlit display, and three-color refrigerant hoses for workshop and outdoor use.
16 Built-In Refrigerants
Built-in refrigerant data includes R404a, R407a, R11, R410a, R22, R114, RH2O, R12, R134a, R13, R123, R1234yf, R14, R13b1, R1150, and R1233zd.
Multiple Unit Switching
Pressure units include Psi, kPa, MPa, and bar. Vacuum units include inH2O, mBar, and inHg. Temperature units include °C and °F.
Backlit Display
The high-brightness backlit display helps keep readings visible under strong sunlight, low light, or dim workshop conditions.
Three-Color Hoses
The included refrigerant hoses are rated for working pressure up to 800 Psi and burst pressure up to 3000 Psi. Confirm your system pressure before use.
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Click to enlargeApplications
Applications
LM70 is suitable for automotive A/C repair, household air conditioner maintenance, refrigeration equipment debugging, and routine cold storage maintenance when used within the rated pressure range and with the correct refrigerant.
Automotive A/C Repair
Measure pressure, temperature, vacuum status, refrigerant data, and operating conditions during vehicle air-conditioning service.
Household A/C Maintenance
Use pressure and temperature readings to support residential air conditioner maintenance and system checks.
Refrigeration Equipment Debugging
Support refrigeration equipment commissioning through refrigerant data, pressure monitoring, and vacuum mode.
Cold Storage Maintenance
Use LM70 for routine cold storage maintenance tasks when the system refrigerant and pressure range are compatible.
Click to enlargeSpecifications
AUTOOL LM70 Specifications
Review LM70 pressure range, temperature range, vacuum range, unit conversion, accuracy, probe support, overload protection, battery type, hose pressure rating, and display information before ordering.
| Measurement Units And Ranges | |
| Product | AUTOOL LM70 Smart Digital Manifold |
| Pressure Measurement Units | Psi, Bar, MPa, kPa |
| Temperature Measurement Units | °C, °F |
| Vacuum Measurement Units | inH2O, mBar, inHg |
| Pressure Range | 0-870 Psi / 0-60 Bar (rel) / 0-6 MPa / 0-6000 kPa |
| Temperature Range | -55°C to 125°C / -67°F to 257°F |
| Vacuum Range (rel) | -1010 to 0 mBar |
| Resolution And Accuracy | |
| Pressure Resolution | 0.1 Psi / 0.01 Bar / 0.001 MPa / 1 kPa |
| Temperature Resolution | 0.1°C / 0.1°F |
| Vacuum Resolution | 0.1 inH2O / 1 mBar / 0.01 inHg |
| Pressure Accuracy | ±0.5% of full scale |
| Temperature Accuracy | ±0.5°C / ±0.9°F at rated temperature 22°C / 71.6°F |
| Vacuum Accuracy | ±0.5% of full range |
| Hardware And Function | |
| Temperature Probe | 2 × digital probe |
| Overload | 942.5 Psi / 65 Bar / 6.5 MPa / 6500 kPa |
| Number Of Refrigerant Species | 16 |
| Battery Type | Three AAA batteries |
| Display | Backlit display, 0.5s response time |
| Hose Working Pressure | Up to 800 Psi |
| Hose Burst Pressure | Up to 3000 Psi |
| Main Product Width | 166mm shown in product details image |
| Main Product Height | 105mm body height, 72mm foldable hook height shown in product details image |
| Support | |
| Manual | AUTOOL LM70 manual available for download |
| Warranty | 3-year warranty for eligible non-human damage cases |
| Maintenance | Lifetime maintenance support |
Click to enlargeMeasurement Units And Ranges
Pressure UnitsPsi, Bar, MPa, kPa
Temperature Units°C, °F
Vacuum UnitsinH2O, mBar, inHg
Pressure Range0-870 Psi / 0-60 Bar / 0-6 MPa / 0-6000 kPa
Temperature Range-55°C to 125°C / -67°F to 257°F
Vacuum Range-1010 to 0 mBar
Resolution And Accuracy
Pressure Resolution0.1 Psi / 0.01 Bar / 0.001 MPa / 1 kPa
Temperature Resolution0.1°C / 0.1°F
Vacuum Resolution0.1 inH2O / 1 mBar / 0.01 inHg
Pressure Accuracy±0.5% of full scale
Temperature Accuracy±0.5°C / ±0.9°F at 22°C / 71.6°F
Vacuum Accuracy±0.5% of full range
Hardware And Support
Temperature Probe2 × digital probe
Overload942.5 Psi / 65 Bar / 6.5 MPa / 6500 kPa
Refrigerants16 species
Battery TypeThree AAA batteries
DisplayBacklit display, 0.5s response time
Hose Rating800 Psi working pressure, 3000 Psi burst pressure
Warranty3 years for eligible non-human damage cases
Click to enlargeProduct Details
Product Details
The LM70 detail diagram identifies the probe sockets, display, pressure knobs, refrigerant observation window, buttons, fittings, foldable hook, and battery compartment.
Probe Sockets And Display
Probe sockets and the main display are labeled for quick measurement-interface identification.
Pressure Control Area
Pressure knobs and the refrigerant observation window are shown for service workflow reference.
Buttons And Fittings
The diagram marks the button area and fittings used during manifold operation.
Foldable Hook And Battery Compartment
The foldable hook and battery compartment are identified for hanging and power maintenance reference.
Before You Order And Use
Before You Order And Use
A/C and refrigeration service can involve high pressure, refrigerant gas, toxic gases, and electrical environments. Confirm pressure range, hose suitability, refrigerant type, and working conditions before using LM70.
Confirm Rated Pressure
Before testing, confirm the rated pressure of the device under test. Do not use LM70 if the test pressure exceeds its rated range.
Check Hose Suitability
If the included filling hose does not meet your pressure requirement, use a suitable substitute hose for testing.
Confirm Refrigerant Type
Confirm the refrigerant type before service and select the correct refrigerant data before diagnosis, charging, or system debugging.
Avoid Risky Environments
Do not use or store the instrument in high-temperature, high-humidity, flammable, explosive, or strong electromagnetic environments.
Use PPE And Ventilation
Wear proper protective equipment and use the instrument in a well-ventilated area to reduce refrigerant and toxic gas exposure risks.
Do Not Modify Circuitry
Do not modify the internal circuitry of the instrument. Unauthorized modification may cause equipment damage or safety risks.
Warm Tips
- Confirm system pressure and refrigerant type before service.
- Do not exceed LM70 pressure range or hose pressure limits.
- Use suitable replacement hoses when the application requires a different hose rating.
- Use the manifold only in appropriate service environments with proper PPE and ventilation.
Product Comparison
Product Comparison
Compare LM70 with LM100, LM120, LM120+, LM130, LM150, and LM160 before choosing the right refrigerant database, vacuum mode, leak test, accessories, superheat / subcooling support, and budget.
LM70 FocusSupports vacuuming mode, refrigerant mode, pressure leak test, trichromatic tube, two wired temperature clamps, foldable hook, refrigerant visible window, superheat / subcooling, and dual-channel real-time pressure monitoring.
Unique LM70 AdvantagesThe comparison chart shows LM70 as the model with refrigerant subcooling / superheat and dual-channel real-time pressure monitoring, both marked for LM70 and not marked for the other listed models.
Database DifferenceLM70 includes 16 refrigerant species. LM120 / LM120+ list 92, LM150 lists 93, and LM160 lists 95 in the comparison chart.
LM160 DifferenceLM160 adds a program control system, 8 languages, two-side handrails, and a larger refrigerant database, but LM70 remains the compact dual-channel manifold option.
Decision CheckCompare refrigerant database, pressure valve type, hose accessories, temperature clamps, vacuum units, superheat / subcooling, dual-channel monitoring, and price before ordering.
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Click to enlargeWhat Is In The Box
What Is In The Box
The packing list image shows the LM70 smart digital manifold and included accessories. Confirm the package contents in the image before ordering.
Main UnitAUTOOL LM70 Smart Digital Manifold
ConnectorsRed and blue connectors shown in the package image
HosesThree-color refrigerant filling hoses
Temperature ProbesTwo clamp-type wired temperature probes
DocumentationAUTOOL LM70 user manual
PackagingLM70 retail box shown in the package image
Manual And Downloads
Manual And Downloads
Download the AUTOOL LM70 manual to review setup, operating modes, refrigerant selection, unit conversion, vacuum operation, pressure leak testing, and maintenance guidance.
Click to enlargeAUTOOL LM70 User Manual
Open the PDF manual for LM70 operation, refrigerant selection, unit conversion, vacuum mode, leak test, and safety instructions.
Download ManualNeed Setup Confirmation?
Contact AUTOOL Store before ordering if you need to confirm refrigerant type, pressure range, hose requirements, substitute hose options, vacuum mode, pressure leak test setup, or model selection.
Related Products
Related Products
Compare related AUTOOL refrigerant gauge and smart digital manifold products before choosing the right function level, refrigerant database, accessory set, and budget.
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Questions And Answers
These answers cover supported systems, refrigerant data, superheat / subcooling calculation, measurement ranges, vacuum mode, pressure leak testing, hose pressure, batteries, package contents, model comparison, and safety precautions.
AUTOOL LM70 can be used for automotive air conditioning systems, home air conditioners, refrigeration equipment debugging, and routine cold storage maintenance. It supports pressure measurement, temperature measurement, vacuuming, refrigerant filling, pressure leak testing, and system debugging when the system pressure and refrigerant type are compatible.
LM70 includes built-in data for 16 refrigerants: R404a, R407a, R11, R410a, R22, R114, RH2O, R12, R134a, R13, R123, R1234yf, R14, R13b1, R1150, and R1233zd. Confirm the refrigerant type before service.
Yes. LM70 automatically calculates refrigerant superheating and subcooling values based on system pressure, refrigerant data, evaporation / condensation temperature, and pipe temperature conditions, helping users improve refrigeration system fault diagnosis efficiency.
The pressure range is 0-870 Psi / 0-60 Bar / 0-6 MPa / 0-6000 kPa. The temperature range is -55°C to 125°C / -67°F to 257°F. The vacuum range is -1010 to 0 mBar.
Yes. LM70 supports vacuum mode with a vacuum measurement range of -1010 to 0 mBar. It can display current vacuum level, measurement time, ambient temperature, and related temperature data during evacuation.
Yes. LM70 supports pressure leak test mode and displays measurement time, start pressure, current pressure, and delta pressure. Pressure values are measured with 0.1 Psi resolution to help detect small leaks and decide whether leak repair or part replacement may be needed.
The included three-color refrigerant hoses are rated for working pressure up to 800 Psi and burst pressure up to 3000 Psi. Always confirm the rated pressure of the device under test. If the included hose does not meet the pressure requirement, use a suitable substitute hose.
LM70 uses three AAA batteries. The product details image also shows a foldable hook, brass tube fittings, a refrigerant observation window, left and right probe sockets, low-pressure and high-pressure control knobs, and a battery compartment.
The package image shows the LM70 main unit, red and blue connectors, three-color refrigerant hoses, two clamp-type wired temperature probes, AUTOOL LM70 user manual, and retail box. Refer to the Packing List image for final package confirmation.
LM70 focuses on compact dual-channel manifold use with vacuuming mode, refrigerant mode, pressure leak test, trichromatic tube, two wired temperature clamps, refrigerant visible window, superheat / subcooling, and dual-channel real-time pressure monitoring. LM120 / LM120+ offer larger refrigerant databases in the comparison chart, LM130 is a kit-style option, and LM160 adds a program control system, 8 languages, two-side handrails, and a larger refrigerant database.
Confirm the rated pressure before testing, do not exceed the LM70 rated range, use a suitable substitute hose when required, confirm refrigerant type, wear proper protective equipment, and use the instrument in a well-ventilated area. Do not use or store it in high-temperature, high-humidity, flammable, explosive, or strong electromagnetic environments. Do not modify the internal circuitry.
Warranty And Contact
Warranty And Contact
For LM70 setup, refrigerant confirmation, hose pressure questions, substitute hose confirmation, superheat / subcooling calculation, vacuum mode, pressure leak test, manual support, warranty, or lifetime maintenance, contact AUTOOL Store directly.
Pre-Sales And Product Support
Use support if you need help confirming refrigerant type, pressure range, hose requirements, vacuum measurement, leak test setup, manual usage, or whether LM70 is suitable for your automotive A/C, home A/C, refrigeration equipment, or cold storage maintenance task.
- LM70 setup and refrigerant confirmation
- Manual and operation support
- Hose pressure and substitute hose confirmation
- Superheat and subcooling calculation questions
- Vacuum mode and pressure leak test questions
- Packing list and accessory confirmation
- 3-year warranty for eligible non-human damage cases
- Lifetime maintenance support
Customer Reviews
Leave A Review
Lester Hernandez ✓ Verified Purchase –
Fast delivery
It’s super easy to use, shows both pressures at the same time, and even calculates subcooling and superheating automatically. Works great on both car and home AC systems with R410A or R134a.
Lester Hernandez ✓ Verified Purchase –
Fast delivery
It’s super easy to use, shows both pressures at the same time, and even calculates subcooling and superheating automatically. Works great on both car and home AC systems with R410A or R134a.
Newman Stuart ✓ Verified Purchase –
This little thing is very good.
This little thing is very good. I bought it for home use. My old air conditioner occasionally has some problems, and this thing can clearly find the problem. It is very convenient and easy to use.