The lower the evaporation/condensation pressure and temperature, the higher the efficiency of the refrigeration cycle and the greater the refrigeration capacity. HVAC gauges calculates the pressure difference between the initial test pressure and the second test pressure to determine whether refrigerant is leaking. When temperature clamps connect to AC pipe, it will read superheat and supercooling automatically. The higher the superheat, the smaller the expansion valve opening (less refrigerant) can be determined. In the high/low pressure pipes can also be tested.
HVAC gauges can be connected to a vacuum pump for vacuum operation, which makes the refrigerant filled with higher purity, the better the refrigeration effect. This manifold gaueg supports multiple pressure&temperature unit switches, such as kPa, MPa, bar, InHg, PSI. This digital manifold gauge set adopts 3.5-inch backlight display design, the data is easy to read, and each test result is divided by lines on the screen, the data is more intuitive. Compared with refrigerant gauge hvac using ordinary knob valve, this manifold gauges adopt upgraded V-shaped valves, which are full-bore ball valves, with low fluid resistance, and control the refrigerant filling amount more accurately.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 unit: Kpa; Mpa; bar; inHg; PSI. Vacuum test range: -101 Kpa - 0 Kpa.
Vacuum test resolution: 1 Kpa. 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°C99.9°C), 1°C (100°C150°C) 0.1°F (-40°F99.9°F), 1°F (100°F302°F). 1pc Digital manifold gauge (Battery not included).
4pcs Refrigerant hoses seal fittings. 1 The pressure measured by the digtal manifold pressure tester is gauge pressure.
2 Pressure testing ranges from -101Kpa to 6Mpa (-0.1bar to 60bar). 3 The limit pressure is 10 Mpa (100 bar). 4 The maximum operating pressure of standard hose is 600 PSI (approximate 4.13 Mpa, 41.3 bar). The limit pressure is 3000 PSI approximate 20.68 Mpa, 206.8 bar. 5 Please confirm the rated pressure value of the tested equipment before testing.
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