When it comes to finding leaks in your furnace, it can be a true art form. One of most common customer questions concerns how to find a leak using a helium mass spectrometer. This video tutorial is given by Ipsen engineer provides step-by-step instructions detailing how to perform a leak check, from calibrating the helium mass spectrometer, Agilent / Varian 959, to determining what exact part of the furnace is the source of the leak.