How do I measure the oil level in my compressor using the dipsitck? Support October 03, 2020 18:19 All of our dipsticks have a distinct notch or marking at thebottom of the dipstick to mark at the appropriateoil range. The oil level must be within the notched area. Related articles Comment dois-je changer l'huile de mon compresseur? MSDS for PREMCOIL - Bostitch Compressor Oil Comments 0 comments Please sign in to leave a comment.