Application of helium mass spectrometer leak detector in pressure vessel leak detection

In pressure vessels, the commonly used methods for leak detection with a helium mass spectrometer leak detector can be roughly divided into three types, namely the helium spraying method (negative pressure method), the sniffer probe method (positive pressure method), and the helium hood method. In terms of the comparison of the sensitivity of these methods, the helium spraying method is more sensitive. However, when the leak detector is installed on a large and relatively complex pressure vessel device, it cannot be said for sure that the helium spraying method is more sensitive.

The helium mass spectrometer leak detector: The sniffer probe method can detect leaks in the range of 10-3 to 10-7 Pa·m3/S, and the vacuum method can detect leaks in the range of 100 to 10-13 Pa·m3/S. The helium mass spectrometer leak detector has the advantages of a wider leak detection range, high precision, and safety. It is widely used in foreign-owned and joint-venture enterprises in China and abroad. Now, with the improvement of users' requirements, product upgrading, domestic enterprises going global, and supporting foreign investment, the application opportunities of helium leak detectors are gradually increasing in domestic enterprises.

The application site of the helium mass spectrometer leak detector in the leak detection of pressure vessels

The leak detection by the helium mass spectrometer leak detector of Anhui Nuoyi Technology is also one of the various methods of non-destructive testing (such as X-ray, eddy current, ultrasonic, etc.), and it is a better form of non-destructive testing for pressure vessels. It is widely used in new technology fields such as aerospace, aviation, nuclear power, electronic components, vacuum equipment, electro-vacuum, electric power, petrochemical industry, front-end semiconductor manufacturing, air conditioning and refrigeration, etc.

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