Model 111.25CT

Bourdon Tube Pressure Gauge

Contractor Gauge Standard Series

Selected documents
Sales contact

WIKA USA

Tel.:
1-888-945-2872
Fax:
1-770-338-5118
info@wika.com

Applications

  • HVAC
  • Suitable for all media that will not obstruct the pressuresystem or attack copper alloy parts

Product features

  • Stainless steel case
  • ± 1% accuracy
  • Reliable and economical

Specifications

Design
ASME B40.100

Sizes
4½” (115 mm)

Accuracy class
± 1% of span (ASME B40.100 Grade 1A)

Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 600 psi (40 bar)
or other equivalent units of pressure or 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)
Media: 140°F (+60°C) maximum

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.

Pressure connection
Material: Copper alloy
1/8“ or 1/4“ NPT lower mount (LM)

Bourdon tube
Material: copper alloy
C-shape

Movement
Copper alloy

Dial
White aluminum with stop pin and black lettering

Pointer
Black aluminum, adjustable

Case
Stainless steel, matte finish

Window
Snap-in polycarbonate

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