Product Design Features:
Case: Black-Painted Steel, steel coated
Case Fill: Dry
Wetted Part: Copper Alloy
Window: Snap-in Acrylic
Pointer: Black Aluminum
Dial: White Aluminum, with zero-correction screw
Second dial scale: mm H2O (mm of Water, Oz/IN2 below pointer Axis
Accuracy: + 1.5 of span ASME B40.100 Grade B
Steady Working pressure: full scale value
Fluctuating Working pressure: full scale value
Ambient Operating temperature: -4 °F... +140 °F (-20 °C... +60 °C)
Media Operating Temperature: +212 °F (100 °C) maximum

Applications: Low pressure gauge for applications in a controlled environment - Ideal for measuring pressure, vacuum in medical, environmental and laboratory applications for content and filter monitoring - For gaseous, dry and non-aggressive media - Model 631.10 also suited for aggressive (dry) media