ANALOG GAUGES CANNOT FIND THIS LEAK. Leak stops pulling air -29 inches vacuum

At -29 inches of vacuum is where the leak slow down and stops. You would never see that with anal gages. The needle would never remove..
But the micron gauge catches it

[@w0lvez1]

NO, PAG is the most hygroscopic. Now I remember a good reference. Denso AC compressor oil pdf. POE less hygroscopic than PAG.

[@coldfinger459sub0]

@@w0lvez1 ok

[@mailmanjoe]

​@@coldfinger459sub0😂😂😂

[@user-rn9dk1sw1k]

I want to update my equipment. Could you please give me some feedback? Should I go with fieldpiece Sm480v gages or jl3kh6 probes? I would value your opinion. Thank you for all the great content you have supplied.

[@coldfinger459sub0]

@@user-rn9dk1sw1k if you do residential commercial, then the probes are probably better.,
For Automotive, it’s a personal choice .
On cars the hoses with refrigerant gauges are a little easier .
Because sometimes the fittings the location on cars, difficult to reach and get to Barry deep, not enough clearance to put the pressure transducer plus core removal tool for access .
Sometimes one is easier than the other .