- Full range mechanical bourdon tube gauges for determining system vacuum.
- Much more accurate than a compound gauge.
- All gauges are 1/8″ NPT Male bottom connection. 3-1/8″ gauges are larger to show vacuum more accurately in inches of mercury and Torr (or millibar).
- 1-1/2″ gauges are used on Yellow Jacket vacuum pumps.
- CAUTION: Vacuum gauges must be handled carefully.
- Dropping, pressurizing and rough handling reduce their life.