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Model 230.15

Bourdon Tube Pressure Gauges

Ultra High Purity (UHP) Series

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Applications

  • Semiconductor and electronic industry, medical industry, gene technology, biotechnology and pharmaceutical industries.
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Where measurement of high purity gases is needed without contamination of the process media.

Special features

  • 316L wetted parts
  • Electro-polished SS case & face-seal connection
  • Positive and compound pressure ranges to 10,000 psi

Standard Features

Design
ASME B40.100

Sizes
2" (50 mm)

1 ½" (40 mm)

Accuracy Class
2": ± 2/1/2% of span (ASME B40.100 Grade A) 1 ½": ± 3/2/3% of span (ASME B40.100 Grade B)

Ranges
Vacuum / compound to 30"Hg/0/300 psi Pressure from 15 psi up to 5000 psi or other equivalent units of pressure or vacuum

Working Pressure
Steady: ¾ full-scale value Fluctuating: 2/3 full-scale value Short time: full-scale value

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

Weather Protection
Weather resistant (NEMA 3 / IP 54)

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:      Face-seal nut, 316 SS 
                    Face-seal gland, 316L SS
Position:      Lower mount (LM)
                   Center back mount (CBM)
Type of Connection: Face-seal fixed male 
                   Swivel male or female
Wetted Surface Finish: Ra < 0.25μm (Ra < 10μinch)-internal

Bourdon Tube
Material: 316L SS
30”Hg (vac) to 1,000 psi, C-type
1,500 to 5000 psi, helical type
Helium leak tested 1 x 10-9 scc/sec (inboard)

Socket
Material: 316L SS
Ra < 0.5μm (Ra < 20μinch) - internal

Movement
Stainless steel

Dial
White aluminum with stop pin and black lettering

Pointer
Black aluminum

Case
304 SS, electropolished

Window
Polycarbonate: twist-lock (2"); snap cap (1½")

Model 230.15 with 1 contact model 851.3
  • Model 230.15 with 1 contact model 851.3Model 230.15 with 2 contacts model 851.33
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