Bourdon Tube Pressure Gauge, Stainless Steel - 131.11

Brand: WIKA Instruments Ltd.
Compact version, NS 40, 50 and 63.
Features
  • All stainless steel construction
  • 316L wetted parts
  • Cost effective and reliable
  • Positive pressure ranges to 15,000 psi (1,000 bar)
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Images are representations only.
Compact version, NS 40, 50 and 63.
Features
  • All stainless steel construction
  • 316L wetted parts
  • Cost effective and reliable
  • Positive pressure ranges to 15,000 psi (1,000 bar)

Specifications

Design

  • ASME B40.100 & EN 837-1

Sizes

  • 1.5”, 2” & 2½” (40, 50 and 63 mm)

Accuracy Class

  • 3/2/3% of span per ASME B40.100 Grade B

Ranges

  • Pressure from 15 psi to 10,000 psi or equivalent units of pressure and vacuum
  • Vacuum / Compound to 200 psi

Working Pressure

  • Short time: full scale value
  • Fluctuating: 2/3 of full scale value
  • Steady: 3/4 of full scale value

Operating Temperature

  • Medium: +212° F (+100° C) maximum
  • Ambient: -40° F to +140° F (-40° C to +60° C)

Temperature error

  • Additional error when temperature changes from reference temperature of 68° F (20° C) ±0.4% of Span for every 18° F (10° C) rising or falling.

Pressure Connection

  • 1/8” or 1/4” NPT (male)
  • Lower mount (LM) or center back mount (CBM)
  • Material: 316L stainless steel

Bourdon Tube

  • > 1000 psi (70 bar): Helical type
  • < 1000 psi (70 bar): C-shape
  • Material: 316L stainless steel

Movement

  • Stainless steel

Dial

  • White aluminum with black lettering, with stop pin

Pointer

  • Black aluminum

Case

  • Stainless steel

Window

  • Snap-in polycarbonate

Typical Applications

  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Ideal when a smaller size instrument is needed
  • CDA (Clean Dry Air) applications 

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