Description
Specifications
Design
EN 837-1 & ASME B40.100
Sizes
2.5”, 3” & 4” (63 mm, 80 mm & 100 mm)
Accuracy class
± 1/2/5% of span
1% at zero pressure
2% in the first 75% of the scale
5% in the last 25% of the scale
Ranges
0/120 psi (8 bar), retard to 350 psi (34 bar)
0/500 psi
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 150°F (-40°C to 65°C)
Media: 150°F (+65°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
C-shape
Movement
Copper alloy, silicone dampened
Dial
White aluminum with stop pin and black lettering.
Zero-adjustment screw on dial
Pointer
Black aluminum
Case
Red or blue painted steel
Window
Snap-in acrylic
