The Hongsen HS-NG Nitrogen Testing Pressure Gauge is a professional HVAC and refrigeration tool designed for accurate pressure monitoring during leak testing, nitrogen charging, system cleaning, and welded piping protection. Its compact design, precise control valve, and clear pressure indication make it a practical choice for technicians performing refrigeration system installation and maintenance.
Key Features
- Accurate Pressure Monitoring: Provides clear pressure indication for leak testing in different refrigeration systems.
- Nitrogen Charging Support: Suitable for nitrogen charging, cleaning, and protecting welded refrigeration piping.
- Precise Ball Valve: Features a small ball valve for easy and controlled nitrogen flow adjustment.
- Multiple Connectors: Various connector options help meet different HVAC and refrigeration system requirements.
- Pressure Recording Pointer: The red pointer can be used to mark and record the input pressure during testing.
- Professional Construction: Designed for reliable performance in HVAC and refrigeration service applications.
- Easy to Use: Compact design allows convenient handling during installation, inspection, and maintenance.







