How to make a vacuum (or pressure) gauge

Vacuum and pressure are two sides of the same coin. A manometer can measure both. In this episode, Harley shows how to make a DIY gauge to measure relatively low vacuums and pressures for shop use.

Part 1: How to quiet a shop vac:    • How to quiet a shop vac - Physical bu...  
Part 2: Central shop vac efficiency:    • How to quiet a shop vac - noise reduc...  

Unit conversion web site:
http://www.theunitconverter.com/unit-...

For a written transcript, go to
http://www.house-of-hacks.com/2015/09...

Music and photos under Creative Commons License By Attribution 3.0.
Intro/Exit: "Hot Swing" by Kevin MacLeod (http://incompetech.com)
Incidental music:
“George Street Shuffle” by Kevin MacLeod (http://incompetech.com)
“Mining by Moonlight” by Kevin MacLeod (http://incompetech.com)

SU Carbs photo: by Cgxke at https://commons.wikimedia.org/wiki/Fi...

Photos under Creative Commons Attribution 2.5 Generic:
Organ pipes photo: by Xauxa at https://commons.wikimedia.org/wiki/Fi...