mbar pressure gauge
Applications of mbar pressure gauge :
Fire sprinkler systems
Suitable for all media that will not obstruct the pressure system or attack copper alloy parts
Design:
EN 837-1 & ASME B40.100
Pressure connection:
Material: copper alloy
1/4“ NPT lower mount (LM)
Sizes:
4” (100 mm)
Movement:
Copper alloy
Accuracy class:
± 3/2/3% of span (ASME B40.100 Grade B)
Dial:
White aluminum with stop pin; black and red lettering
Ranges:
0/80 psi, retard to 250 psi (air)
0/300 psi (water)
Pointer:
Black aluminum
Working pressure:
Steady: 3/4 of full scale value
Fluctuating: 2/3 of full scale value
Short time: full scale value
Case:
Black polycarbonate
Operating temperature:
Ambient: -40°F to 140°F (-40°C to 60°C)
Media: 140°F (+60°C) maximum
Window:
Snap-in clear polycarbonate
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.
Bourdon tube:
Material: copper alloy
C-type
