i was a little bit surprised when he said that you get the transition to molecular flow at a different pressure depending on the system you're attached to, because i always thought the flow regime was purely dependent on pressure. i'm not really sure if that's 100% correct, but what it made me realize is that you're measuring the pressure at one end of the hose, but the transition from viscous to molecular flow is occuring at the other end, at the pump end, so what you're seeing is the pressure delta from one end of the hose to the other, which is of course part of what this video is all about. i love learning new stuff, these videos are really good
Nor-Cal Refrigeration & H.V.A.C The first fieldpiece/measurequick colab video he posted on Facebook I asked the same thing. He didn't say it was 100%, but said they had a promising partnership and the chances of the probes working with MQ are very high.
I have jellow jacket bullet that pump cost like $400 i think but is piece trash....i have inficon for $150... work more better....now I'm make my order on fieldpiece
you may not vacuum in a very short time you must vacuum slowly !!!! reason when you vacuum quick under 0.68mbar the possible water not vapor will frees and gets to solid ice . Big mistake !!! Best you slowly vacuum the system and brake the vacuum by N two times to get the pressure up and give some time to boil out that water that gets to vapur . Vacuum below the 6C° in the system is not recommend because of the boiling point at -1 bar relative ....
