Design
EN837-1 and ASME B40.100
Sizes (All sizes not stocked)
1½”, 2”, 2½” and 4” (40, 50, 63, and 100 mm)
Accuracy class
+ 3/2/3% of span (ASME B40.100 Grade B)
Ranges (All ranges not stocked)
Vacuum/Compound to 30 “Hg (-1 bar) / 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 6,000 psi (400 bar)
or other equivalent units of pressure or vacuum
Receiver scales 3...15 psi (0.2...1 bar)
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 error
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
Lower mount (LM)
1/8” or 1/4” NPT
Bourdon Tube
Material: copper alloy
≤ 870 psi (60 bar): C-shape
> 870 psi (60 bar): Helical
Movement
Copper alloy
Dial
White plastic with stop pin (1½”, 2”, 2½”)
White aluminum with stop pin (4”)
Black or black and red lettering
Pointer
Black ABS plastic (1½”, 2”, 2½”)
Black aluminum (4”)
Case
Black ABS plastic
Window
Snap-in acrylic