Design
ASME B40.100
Sizes
4½ (115 mm) dial size
Accuracy class
± 2/1/2% of span (ASME B40.100 Grade A)
Ranges
10” H2O (25 mbar) to 250" H2O (600 mbar)
or other equivalent units of pressure or vacuum
Working pressure
Steady: full-scale value
Fluctuating: 0.9 x full-scale value
Operating temperature
Ambient: -4°F to +140°F (-20°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) ±0.6% of span for every 18°F (10°K) rising or falling.
Weather protection
Weather resistant (NEMA 3 / IP54)
Pressure connection
Material: copper alloy - Type 612.34
Material: 316L SS - Type 632.34
Lower mount (LM)
¼” or ½” NPT
Capsule element
Material: copper alloy - Type 612.34
Material: 316L SS - Type 632.34
Movement
Stainless steel
Dial
White aluminum with black lettering, stop pin at 6 o’clock
Pointer
Black aluminum, adjustable
Case
Black - fiberglass reinforced thermoplastic (POCAN)
Solid front / blowout back safety case design
Turret-style case with built in rear flange lugs
Window
Clear acrylic with Buna-N gasket
