A quick tutorial of how to perform a decay test. Close off the core removal tool to isolate the system and watch for a rise in pressure. On a small system like this (9k btu) a few minutes should be good. On larger systems you'll want a longer decay. If the pressure spikes and doesn't flatten, it's most likely a leak, if its rises and flattens at 2000 microns for instance, you have some more evacuation to do. This set up had the system down below 500 microns in less than 5 minutes. Tools used in

15K views · 50 reactions | Learn how to make handles for mugs and platters with Diamond Core Tools handheld extruders. Watch the full tutorial here: https://www.clayshare.com/featured-category/videos/handles-with-dct-handheld-extruders | Clayshare | Facebook

137 reactions · 5 comments | Valve core removal tools are must-haves for any HVACR tech, and Fieldpiece takes the VC1G and VC2G to the next level with: ✅ Integrated sight glass to confirm core capture ✅ Swappable 1/4” and 5/8” service port fittings ✅ Comfort spinner to ease core removal and insertion against pressure Learn more: https://www.fieldpiece.com/product-category/valve-core-removal-tools/ #FieldpieceInstruments #Fieldpiece #HVACR #VCRT | Fieldpiece Instruments | Facebook

23 reactions | Amazing Drilling Tool called "Concrete Core Drill Bit" #tools #construction #satisfying #Amazing | Taiwo Okubanjo | Facebook