Refrigerant Manifold Pressure Tester Vacuum Temperature HVAC Digital Gauge Set
AUTOOL LM150 ball valve type intelligent electronic refrigerant meter, the high and low pressure valve adopts V-shaped opening design, which can accurately control the opening or closing of the valve, with good flow adjustment function, convenient operation, accurate test and longer service life. 
The instrument has the functions of pressure test, temperature test, refrigerant filling, vacuuming, pressure leak test and built-in NIST standard database of 93 kinds of refrigerants. 

EXCELLENT MATERIALS:The sturdy case has an IP54 rating, and the flexible non-slip silicone design is comfortable to hold.

High-definition display: LED LCD large screen, which can be observed from multiple angles, and the data display is clear and intuitive.

Multi-unit switching: automatic conversion of pressure multi-unit, automatic conversion of temperature Celsius / Fahrenheit.

Energy saving and environmental protection: The meter has a micro power consumption design, and the battery life is longer.

[V-shaped ball valve switch design]

LM150 high and low pressure valve adopts V-shaped opening design, which can easily control the valve switch, eliminating the tedious knob action, the amount of refrigerant added is easier to control than the ordinary knob valve refrigerant meter, and the operation is convenient and durable.

[3.5-inch high-definition screen]

The 3.5-inch backlit LED display can support dark environments and night operations. Each test result is divided by lines in the display, and the data is more intuitive and clear at a glance.

[More Efficient]

Built-in 93 NIST standard refrigerant databases, can calculate supercooling and superheating, accurate dual-channel pressure and dual-channel temperature measurement, and vacuum percentage, pressure leakage measurement, leakage time speed record, automatic unit conversion and other functions. The DY 522A becomes the tool for every HVAC job.

Clamp Probe

The two wired temperature clamp probes included in the kit enable real-time evaporator and condenser measurements.

Condensing Pressure & Temp.Test

The minimum pressure when the refrigerant changes from gas to liquid, and the maximum temperature when the gas changes to liquid.

Pressure Leakage Test

Calculate the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking.

High/Low Pressure Temp.Test

The temperature of the refrigerant in the high / low pressure pipelines of the air conditioning system.

Specifications
Pressure test: gauge pressure 
Pressure test unit: Kpa; Mpa; bar; inHg; PSI. 
Pressure test range: 0 Kpa – 6000 Kpa 
Pressure test resolution: 1 Kpa 
Pressure test accuracy: +/- 0.5 %(FS)+ 5dgt 
Pressure overload limit: 10000 Kpa (10 Mpa; 100 bar;) 

Vacuum test: relative vacuum 
Vacuum test unit: Kpa; Mpa; bar; inHg; PSI. 
Vacuum test range: -101 Kpa – 0 Kpa 
Vacuum test resolution: 1 Kpa T
Temperature test unit: °C (Celsius), °F (Fahrenheit) 
Temperature test range: -40°C–150°C (-40°F–302°F) 
Temperature test resolution: 0.1°C (-40°C–99.9°C), 1°C (100°C–150°C) 0.1°F (-40°F–99.9°F), 1°F (100°F–302°F) 
Temperature test accuracy: +/- 0.5 °C + 2dgt  +/- 0.9 °F + 2dgt 

 

Built-in 93 kinds of refrigerant NIST

 

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