Design
ASME B40.100 & EN 837-1
Sizes
3½” (80 mm)
Accuracy class
± 2/1/2% of span (ASME B40.100 Grade A)
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 15,000 psi (1,000 bar)
or other equivalent units of pressure or vacuum
Working pressure
Steady: 3/4 scale value
Fluctuating: 2/3 full scale value
Short time: full scale value
Operating temperature
Ambient: -40°F to +140°F (-40°C to +60°C) - dry
-4°F to +140°F (-20°C to +60°C) - glycerine filled
Medium: max. +140°F (+60°C) ≤1,000 psi
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.
Weather protection
Weather resistant (NEMA 4 / IP 66)
Pressure connection
Material: copper alloy
1/4” NPT lower back mount (LBM)
Bourdon tube
Material: copper alloy
≤ 1,000 psi (70 bar): C-shape copper alloy
> 1,000 psi (70 bar): Helical stainless steel
Movement
Copper alloy
Dial
White aluminum with black lettering
Pointer
Black aluminum
Case
Gold-painted forged brass with integral connection
and pressure relief plug with polished stainless steel front flange. Suitable for liquid filling
Window
Acrylic with Buna-N gasket
