Design
ASME B40.100 & EN 837-1
Sizes
1.5”, 2” & 2½” (40, 50 and 63 mm)
Accuracy class
+/- 3/2/3% of span per ASME B40.100 Grade B
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 10,000 psi (700 bar)
or equivalent units of pressure and 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)
Medium: +212°F (+100°C) maximum
Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% for every 18°F (10°K) rising or falling.
Pressure connection
Material: 316L stainless steelLower mount (LM) or center back mount (CBM)1/8” or 1/4” NPT (male)
Bourdon tube
Material: 316L stainless steel
≤ 1,000 psi (70 bar): C-shape,
> 1,000 psi (70 bar): Helical
Movement
Stainless steel
Dial
White aluminum with black lettering, with stop pin
Pointer
Black aluminum
Case
Stainless steel
Window
Snap-in polycarbonate
