- Application: This nitrogen pressure gauge is essential for pressure testing a variety of systems, including air conditioners, refrigerants, vehicles, and central air conditioning units. - Compatibility: Designed for compatibility with multiple refrigerant models, including R134a, R22, R407C, R410A, R404A, R507, R422D, and R32, making it versatile for all your pressure testing needs. - Interchangeable Features: Equipped with a unique spherical valve structure, this gauge includes a replaceable standard head for effortless usage and maintenance, ensuring you can efficiently adapt to different testing environments. - Quick and Easy Setup: The straightforward design allows for rapid connection and quick startup of the nitrogen pressure regulator. This feature is particularly beneficial for cooling devices, facilitating timely and effective troubleshooting. - Use Scenarios: 1. Diagnose pressure issues in residential air conditioning units during routine maintenance checks. 2. Monitor refrigerant levels in automotive A/C systems to ensure optimal performance. 3. Perform comprehensive tests on commercial central air conditioning systems to ensure compliance and efficiency. With its durability and user-friendly design, this nitrogen pressure gauge is a reliable tool for professionals and DIY enthusiasts alike, ensuring accurate pressure readings for effective system management.