The helium mass spectrometry leak detector is a precision instrument for detecting minute leaks in sealed systems, vital for industries like automotive, refrigeration, and aerospace. Using helium as a tracer gas, it achieves sensitivity up to 10^-12 mbar·L/s, leveraging helium’s inert, non-toxic properties. It supports positive pressure suction for testing components like air conditioning units and negative pressure vacuum modes for vacuum systems in aerospace or research. Its fast response, user-friendly design, and low maintenance enhance efficiency and compliance with strict standards. Applications include ensuring the integrity of fuel lines, battery enclosures, transformers, and pressure vessels. Anhui Daxin Vacuum Technology’s helium leak detectors deliver reliable, high-quality solutions for global markets, boosting competitiveness in automotive, refrigeration, and aerospace sectors.