https://vacumetrics.com/blogs/blog/why-a-helium-leak-detector-needs-two-pumps 2026-08-04T14:55:09-04:00 weekly https://cdn.shopify.com/s/files/1/1981/7171/articles/DSC01477.jpg?v=1785869709 Why a Helium Leak Detector Needs Two Pumps https://vacumetrics.com/blogs/blog/choosing-the-right-backing-pump-wet-rotary-vane-vs-dry-vacuum-technologies 2026-09-09T10:53:04-04:00 weekly https://cdn.shopify.com/s/files/1/1981/7171/articles/Dry_vs_wet_blog_post_thumbnail_56536fc3-2cd9-40c9-b1c9-6e688753c4db.png?v=1788965584 Choosing the Right Backing Pump: Wet (Rotary Vane) vs. Dry Vacuum Technologies