Design
EN837-1 and ASME B40.100 |
Bourdon Tube
Material: copper alloy
30”Hg (Vac) to 600 psi C-type
800 psi to 6,000 psi helical type |
Sizes (All sizes not stocked)
1½”, 2”, 2½” and 4” (40, 50, 63, and 100 mm) |
Movement
Copper alloy |
Accuracy class
+ 3/2/3% of span (ASME B40.100 Grade B) |
Dial
White plastic with stop pin (1½”, 2”, 2½”)
White aluminum with stop pin (4”)
Black or black and red lettering |
Ranges (All ranges not stocked)
Vacuum/Compound to 30 “Hg / 0/ 200 psi
Pressure from 15 psi to 6,000 psi
or other equivalent units of pressure or vacuum
Receiver scales 3...15 psi |
Pointer
Black ABS plastic (1½”, 2”, 2½” LM)
Black aluminum (2”, 2½” and 4” LM) |
Working pressure
Steady: 3/4 of full scale value
Fluctuating: 2/3 of full scale value
Short time: full scale value |
Case
Black ABS plastic |
Operating temperature
Ambient: -40°F to 140°F (-40°C to 60°C)
Media: 140°F (+60°C) maximum |
Window
Snap-in acrylic |
Temperature error
Additional error when temperature changes
from reference temperature of 68°F (20°C)
+0.4% for every 18°F (10°C) rising or falling.
Percentage of span. |
|
Pressure connection
Material: copper alloy
Lower mount (LM)
1/8” or 1/4” NPT |