The full range of Nuoyi helium mass spectrometer leak detectors comprises a comprehensive solution for leak detection in high-end manufacturing and precision testing applications, encompassing various product configurations such as mobile, portable, modular, dry-pump, and custom helium leak detection systems. Utilizing helium mass spectrometer detection technology, these products perform highly sensitive leak detection on workpieces, chambers, piping, and seals, helping users ensure product airtightness, safety, and reliability. The series includes the NHJ480, NHJ600, NHJ800D, NLD200, NHJ400M, and custom helium leak detection workstations. Among these, the NHJ480 focuses on mobile, fully automated testing; the NHJ600 emphasizes portability and rapid testing; the NLD200 and NHJ400M are better suited for integration into automated production lines or vacuum systems; and the custom helium leak testing workstations can perform processes such as automatic helium injection and automatic leak detection according to customer specifications.