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2. Helium mass spectrometer - Wikipedia

   en.wikipedia.org/wiki/Helium_mass_spectrometer

   Helium mass spectrometer leak detectors are used in production line industries such as refrigeration and air conditioning, automotive parts, carbonated beverage containers food packages and aerosol packaging, as well as in the manufacture of steam products, gas bottles, fire extinguishers, tire valves, and numerous other products including all ...

3. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...

4. Tracer-gas leak testing - Wikipedia

   en.wikipedia.org/wiki/Tracer-gas_leak_testing

   On planes, tracer-gas leak testing is used to quickly and safely locate fuel leaks, [3] as well as to check oxygen distribution devices and cabin pressurization systems. Refrigeration and air conditioning must have the lowest possible rate of loss of refrigerant gases (contributing to ozone depletion).

5. INFICON - Wikipedia

   en.wikipedia.org/wiki/INFICON

   Inficon was founded in Syracuse, New York by a group of scientists and engineers from General Electric (GE) and Syracuse University (SU), who developed a halogen leak detector in December 1969. [5] [6] [7] In January 1976, Inficon was acquired by Leybold-Heraeus GmbH a vacuum technology company. Due to this acquisition, Inficon became known as ...

6. Duct leakage testing - Wikipedia

   en.wikipedia.org/wiki/Duct_leakage_testing

   A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.

7. Far-left Antifa activists waiting to see Trump actions. How ...

   www.aol.com/far-left-antifa-activists-waiting...

   Buoyed by promised pardons of their brethren for their Jan. 6 crimes and by Trump’s embrace of popular extremist far-right figures, those groups will likely see a resurgence after January ...