Design
ASME B40.100
Sizes
4½” (115 mm)
Accuracy class
± 1% of span (ASME B40.100 Grade 1A)
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 600 psi (40 bar) or other equivalent units of pressure or vacuum
Working pressure
Steady: 3/4 of full-scale value
Fluctuating: 2/3 of full-scale value
Short time: full-scale value
Operating temperature
Ambient: -40°F to 140°F (-40°C to 60°C)
Media: 140°F (+60°C) maximum
Temperature
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% of span for every 18°F (10°K) rising or falling.
Pressure connection
Material: Copper alloy
¼” NPT lower mount (LM)
Bourdon tube
Material: copper alloy
C-shape
Movement
Copper alloy
Dial
White aluminum with stop pin and black lettering
Pointer
Black aluminum
Case
Stainless steel, matte finish
Window
Snap-in polycarbonate
Optional Extras
Stainless steel rear flange
Brass restrictor
Nickel-plated connection
Custom dial layout
Other pressure scales available: bar, kPa, MPa, kg/cm2 and dual scales