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#HELIUM TEST TIME CALC PORTABLE#

An amplifier and readout instrumentation to monitor the output signal.Valves which enable the various stages of detection: evacuation, test & venting.

A mechanical pump to evacuate the part to be tested.

A vacuum system to maintain the pressure in the spectrometer.

A spectrometer to detect the mass of helium.

Helium leak detectors consists of the following components: The helium leaking through the test part enters through the system and this partial pressure is measured and the results are displayed on a meter. The tracer gas, helium, is introduced to a test part that is connected to the leak detector. Helium Leak DetectionĪ helium leak detector, also known as a Mass Spectrometer Leak Detector (MSLD), is used to locate and measure the size of leaks into or out of a system or containing device. It is also relatively inexpensive and is available in various size cylinders. The only molecule smaller than Helium is Hydrogen which is not inert. Due to its small atomic size, helium passes easily through leaks. It is non-toxic, inert, non-condensable, non-flammable and not normally present in the atmosphere at more than trace amounts (5 ppm). Helium is the best choice of tracer gas to find leaks for a number of reasons.

Helium Leak Detection What is Helium Leak Detection?.

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#HELIUM TEST TIME CALC PORTABLE#

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