Model 332.34DD Bourdon Tube Pressure Gauges Solid-Front Test Gauge – Direct Drive

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  • Test gauge accuracy for rough service conditions that include severe shock and vibration
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Process industry: chemical, petrochemical, refining, power stations, mining, environmental technology, mechanical engineering and plant construction

Product features

  • Excellent load-cycle stability and shock resistance
  • Movement-less direct drive Bourdon tube
  • All ranges can withstand full vacuum
  • Positive pressure ranges to 10,000 psi (700 bar)
  • Calibration certificate, traceable to NIST


ASME B40.100

4½” (115 mm) dial size

Accuracy class
± 0.25% of span (ASME B40.100 Grade 2A)*
All vacuum/compound ranges and range 0/10,000 psi (700 bar)

Vacuum / Compound to 300 psi (20 bar)
Pressure from 30 psi (2 bar) to 10,000 psi (700 bar)
or other equivalent units of pressure or vacuum

Working pressure
Steady: full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.5 x full scale value

Operating temperature
Ambient: -65°F to +190°F (-54°C to +88°C)
Medium: -65°F to +400°F (-54°C to +204°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°K) rising or falling.

Weather protection
Weather resistant (NEMA 3 / IP54)

Pressure connection
Material: 316 SS
Lower mount (LM) and lower back mount (LBM)
1/4” or 1/2” NPT

Bourdon tube / wetted parts
Material: Inconel X-750
316 SS socket & capillary
All connection nicro-brazed

Porous metal disk – 316 SS
Porosity: 25 to 50 microns

White aluminum with mirror band, black lettering
Mirror band dial – aluminum substrate with white polyester film and black lettering

Black aluminum, adjustable, knife edge
External zero adjustment
Adjustment screw located on window

Black aluminum, adjustable, knife edge

Clear acrylic with Buna-N gasket

External zero adjustment screw located on window

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