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1290 Direct Drive Process Pressure Gauge

Brand: Ashcroft Inc
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The Ashcroft® 1290 direct drive gauge is ideal on harsh applications exhibiting severe vibration or pulsation effects.

The system design eliminates movement wear under high vibration process conditions.
Features
  • Inconel® X-750 sensing element 
  • Simple gearless movement 
  • Selection of measurement units (psig and dual scale, kg/cm²/psi) 
  • Optional NIST traceable calibration chart
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The Ashcroft® 1290 direct drive gauge is ideal on harsh applications exhibiting severe vibration or pulsation effects.

The system design eliminates movement wear under high vibration process conditions.
Features
  • Inconel® X-750 sensing element 
  • Simple gearless movement 
  • Selection of measurement units (psig and dual scale, kg/cm²/psi) 
  • Optional NIST traceable calibration chart
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Specifications

Brand

Pressure Range

  • bar: 1 to 137.9
  • kPa: 103.4 to 13,790
  • psi: 15 to 2,000

Enclosure, Body Material

  • ABS Plastic

Cover Material

  • Back Cover: Thermoplastic

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Male

Size

  • Dial: 4.5”

Materials of Construction

  • Bourdon Tube: 304 Stainless Steel
  • Bourdon Tube: Inconel X-750
  • Dial: White-Coated Stainless Steel
  • Pointer: Aluminum
  • Socket: 316L Stainless Steel

Lens

  • Acrylic Lens
  • Glass Lens

NACE & NIST

  • NIST

Ring Material

  • Snap, 302 Stainless Steel

Movement

  • Simple Gearless

Name Plate, Tag Material

  • Stainless Steel

Pressure Type

  • Gauge

Accuracy

  • 0.5 % of Full Scale (Grade 2A, ASME B40.100)

Element

  • Sensing Element: Inconel X-750, Stainless Steel Socket
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Typical Applications

  • Harsh Applications Exhibiting Severe Vibration or Pulsation Effects
  • Offshore
  • Power Plants
  • Refineries
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