The DuraChoice PB405L-V30 oil filled vacuum gauge features a 4" dial size, with 1/2" NPT lower mount fitting. It has a stainless steel housing, with brass fittings and a polycarbonate window. Measures -30HG-30 PSI. Made for water, oil, gas or diesel. Dual scale shows PSI/Bar. The larger dial face makes the gauge easier to read and is ideal for bigger applications. The glycerin oil lessens vibration and keeps the movement lubricated.
Specifications
- Housing Material- Stainless Steel
- Connection- Brass
- Movement- Brass
- Bourdon Tube- Brass
- Window Material- Polycarbonate
- Dimensions- 4.3" Diameter x 5.2" Length x 1.42" Depth
- Liquid Filling- Glycerin Oil
- Fitting Size- 1/2" NPT
- Mounting- Lower Mount
- Gauge Range- -30HG-30 PSI / -1 to 2 bar
- Accuracy- +/- 3/2/3%
- Normal Ambient Temperature- -4 F to 140 F (-20 C to 60 C)
To re-calibrate: To reset a gauge that does not default back to 0, start to lift out the rubber stopper on the back. This will release the internal pressure and set the gauge back to 0. Once it reaches 0, push the stopper back in.
DuraChoice 4" -30HG-30 PSI 1/2" NPT Vacuum Pressure Gauge