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LM70 Smart Digital Manifold

AUTOOL LM70 Smart Digital Manifold can help service technicians observe key parameters such as evaporating pressure temperature, condensing pressure temperature, superheat, subcooling and so on during the process of installing, repairing and debugging air conditioning system. AUTOOL LM70 Smart Digital Manifold is a professional application of automotive air conditioning system. AUTOOL LM70 Smart Digital Manifold is a smart digital refrigerant meter specialized in automotive air conditioning system, with high measurement accuracy, resolution up to 0.1Psi and error ≤ 0.5% FS. Equipped with dual-channel valve manifolds and clamp-on temperature probes, it is capable of real-time measurements of key parameters such as refrigeration system high and low pressures, evaporating pressure temperature, condensing pressure temperature, etc., as well as automatic calculation of the degree of superheat and sub-cooling, which can greatly improve the accuracy of refrigerant charging and system debugging. Built-in 16 kinds of mainstream refrigerant data, can be flexibly adapted to all kinds of air-conditioning system maintenance operations, in addition to completing the basic pressure and temperature measurement, but also supports the vacuum, refrigerant charging, holding pressure test and other maintenance links, for the air-conditioning system to provide one-stop support for the whole process of maintenance.

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Working Principle

The pressure and temperature characteristics of different refrigerants vary greatly, especially with the widespread use of new environmentally friendly refrigerants such as R1234yf and R410A. During the installation, maintenance, and debugging of air conditioning systems, technicians need to monitor key parameters such as evaporation-pressure temperature, condensation-pressure temperature, superheat, and subcooling to determine whether the system is cooling properly and if any potential faults exist.

AUTOOL LM70 Smart Digital Manifold Features:

High-precision Measurement: Equipped with advanced digital sensors, delivering more than twice the accuracy of mechanical gauges for highly precise pressure and temperature measurements.

Backlit Display: Equipped with a high-brightnes backlit display for more accurate and intuitive readings, ensuring clear visibility even under strong sunlight or in dim workshop environments.

Dual-channel Pressure Monitoring: Featuring a dual-channel design, it simultaneously measures and monitors high and low pressure values, providing reliable data to assess the refrigerant system’s operating status and enabling fast refrigerant charging, leak detection, and other tasks.

Refrigerant Subcooling/Superheating: Automatically calculates the system’s current subcooling and superheating to effectively enhance fault diagnosis efficiency.

Pressure Leak Testing: Pressure measurement values are accurate to 0.1 Psi, sensitively detecting tiny leaks in the air conditioning system and precisely determining whether leak repair or part replacement is needed, solving the problem of incomplete repairs and recurring faults.

Vacuum Mode: Real-time display of current vacuum level, allowing for precise reading of the vacuum, ensuring the quality of the repair.

Multiplere Frigerant Data: Built-in database of 16 refrigerants to meet the testing needs of various vehicle models and cooling systems.

Multiple Unit Switching: Pressure units are automatically converted, enabling quick reading of data in target units without manual calculations, improving testing efficiency and convenience.

Explosion-proof Refrigerant Hoses: Crafted from high-strength explosion-proof materials, capable of withstanding a maximum working pressure of 800Psi and a burst pressure of 3000Psi, easily handling air conditioning system high-pressure debugging.

Multiple Application Acenarios: Automotive airconditioning repair, household airconditioner maintenance, refrigeration equipment debugging, routine cold storage maintenance.

Three-Year Warranty, Lifetime Maintenance: For damage caused by non-human factors, AUTOOL promises to resend parts for free within 3 years. For any needs, you are warmly welcome to contact us and we will get back to you ASAP within 24 hours.
LM70 Smart Digital Manifold
Pressure Measurement Unit Psi, Bar, MPa, kPa
Temperature Measurement Unit ℃, °F
Vacuum Measurement Unit inH₂O, mBar, inHg
Pressure Range 0–870 Psi, 0–60 Bar (rel), 0–6 MPa, 0–6000 kPa
Temperature Range -55–125°C, -67–257°F
Vacuum Range (Relative) -1010–0 mBar
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 (within -55–125°C / -67–257°F at 22°C / 71.6°F)
Vacuum Accuracy ±0.5% of full range
Temperature Probe 2 × digital probe
Overload Protection 942.5 Psi, 65 Bar, 6.5 MPa, 6500 kPa
Refrigerant Compatibility Supports 16 refrigerant types
Battery Type Three AAA batteries
Display Backlit display, Response time: 0.5s

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