We first do a positive nitrogen test for gross leaks.
A helium detector is unavailable. We use freon/refrigerant leak detectors -after- it is filled, the vacuum test is done beforehand to draw out moisture as well as attempt to find small leaks. I know nothing's perfect. What I'm trying to find...
My goal is a vacuum decay test to find any leaks in our refrigeration products. is this difficult to achieve? I am new to vac systems. I have reduced the system down to the minimum- no uut or extra chamber/piping or hoses. I can finally draw down to about 30mT but when I close my isolation valve...
You mean plot a Graph on a spreadsheet. A spreadsheet needs to get the data from somewhere- another program that has acquired it. Your sw needs to support all of your hardware.
"Drivers" are needed to interface with your sensors
and data acq. equipment. If you are not a programmer, ie. C/C++...