Helium leak test standards

Our safe, precise and proven helium leak testing systems and techniques have become staples in the aerospace industry and its development. Radioisotope leak testing is generally felt to be a better leak testing method than helium leak detection. For an explanation on the voluntary nature of standards, the meaning of iso. An a2la accredited organization helium leak testing, inc. Helium leak standards, leak standards, helium leak, reservoir leak standard. Helium leak testing calibration laboratory is certified and accredited to calibrate most types and brands of helium leak standards. Non helium, leak standard, non helium leak standards, reservoir leak standard, reservoir leak. In this method, the test object is soaked in a pressurized chamber of radioactive gas. The following internal and external leak standards including certificates of calibration are provided with each new instrument purchase. Tqc are specialists in the supply of standard and bespoke leak testing. Astm e499 e499m 112017 standard practice for leaks using. Mass spectrometer leak testing can be done by pressurizing the test part with helium or a helium air mixture within a test chamber then surveying the surfaces using a sniffer, which sends an air sample back to the spectrometer. Care must be taken to provide sufficient ventilation to prevent increasing the helium background at the test site. Sniffer and vacuum compatible leak standards open style crimped capillary model cpo.

Cincinnati test systems is iso 17025 certified and offers tracer gas leak standards that are compatible with helium and several other tracer. Since the grid constants for many solids amount to several a and the diameter of smaller molecules h 2. International quality standards and legislations impose that helium is used to carry out the leak tests as it represents the only method that guarantees reliable. Results are limited by the helium background and the percentage of the leaking trace gas captured by the probe. Contains no reservoir and operates using a regulated gas. In most helium leak testing applications, one uses a mass spectrometer tuned to detect. Leak standards helium leak standards leak test systems. Leak standards helium leak standards leak tester machines. Helium leak testing setting the standards since 1969. This nasa technical standard establishes uniform use of leak test requirements for nasa. The test method is used to locate leaks but cannot be used to quantify except for approximation. Please contact us to verify we can calibrate your equipment if it is not listed below.