Model No.: 119O
Name: Oxygen or acetylene gauge (use no oil)
Application: Used In Regulator and industry, are ideal for indicating compressed gas cylinder pressures of non-corrosive gases which will oxidize with oil based compounds, typical applications include gas cylinders for welding and cutting manufacturing process. Use no oil. 

Specifications
Size: 2"(50mm), 2.5"(63mm)
Accuracy: ±1.6% of full scales
Range available (no stock): -30"Hg~0 (vacuum)
-30"Hg~0~6000psi (compound)
0~15psi~6000psi (pressure)
Service Fluid : Compatible gases and liquid
Housing: Black steel case with blow-out
Window: Snap-in acrylic lens 
Bourdon tube: Copper-alloy
30"Hg-800psi C-Type, 800 psi to 6000 psi Coil-Type

Movement:  Semi-copper alloy
Connection: Brass 1/4"
Thread: BSP, BSPT, NPT, or metric thread
Dials and pointer: Aluminum black lettering
 With customer logo is available
Operating temperature: -20 °C ~ 60 °C (-4 °F ~ 140 °F)
Working pressure: Steady: 3/4 of full scale
Fluctuating: 2/3 of full scale
Short time: full scale
Scale Unit: Bar or Bar+Psi
Optional extras:
Housing can be change to be steel Case with pressing bezel
Case and bezel can be painted with black or other colors 
Movement can be changed to be full brass
Connection also can be Chrome or Nickel plated
Scale unit can use KPa , MPa,Kgf/cm2, kg/cm2, torr, atm