2-1/2" Oil Filled Vacuum Pressure Gauge - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection -30HG/30PSI

2-1/2" Liquid Filled Pressure Gauges - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection

Dial Size: 1-1/2", 2", 2-1/2" or 4" Dial Sizes (Crimped Casing)
Accuracy: +/- 3/2/3%
Scale: Dual Scale - PSI/Bar
Movement: Copper Alloy*
Bourdon Tube: Copper Alloy*
Window: Poly Carbonate
Case: Stainless Steel case for protection in harsh environments
Connection: Copper Alloy Center Back Mount*; 1/8” NPT for 1-1/2” dial, 1/4” NPT for 2 and 2-1/2” dials, and 1/4" NPT, 3/8" NPT, or 1/2” NPT for 4” dials
Normal Ambient Temp: -4°F to 140°F (-20°C to 60°C)
Liquid Filling: Glycerin oil filled to enhance reliability and integrity; helps dampen the effect of vibration and pulsation; lubricates the movement and extends the life of the gauge.

2-1/2" Liquid Filled Vacuum Pressure Gauge - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection, -30HG/30PSI