Ty Branaman on Instagram: "How to use the What Sup Bro megometer. ODE to Uncle Rob Video for entertainment purposes only, do not try this at home, actions performed by trained professionals. Unfortunately many techs do not understand what the readings means and even worse many companies use it to sell new units claming that existint good compressor are "bad". Because of a red led light from a "tool" that lacks the acruace to determine that nor thengefhs training to compare over time and check fo