Ashcroft a4a Manuals

1 pdf manual(s) Ashcroft a4a for free download (Document Types: Installation and maintenance manual)

Ashcroft a4a Installation and maintenance manual [PDF] (20 pages)

  • Identifier: id-1837241
  • Brand: Ashcroft
  • Device: a4a Measuring Instruments
  • Type: PDF
  • Key Aspects: Routine Functionality Testing, Component Longevity Optimization, Risk Mitigation and Accident Prevention
  • UPD Date: 06.05.2026
  • Source File: 1885522.pdf
  • Pages: 20
  • Description: User and installation guide for the Ashcroft a4a.
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  • 3 For Additional Assistance Contact Customer Service at: Ashcroft Inc. 250 East Main Street Stratford, CT 06614 Phone: (203) 378-8281 Fax: (203) 385-0402 1.1 SAFETY PRECAUTIONS Bourdon tube pressure gauges must be selected and used in accordance with recognized industry codes and safety practices. This is necessary in order to avoid the possibility of misuse or misapplication which could result in personal injury or property damage. Personnel responsible f
  • 4 Ashcroft A4A Dial Gauge range, engineering units, graduations and other pertinent information. The main differences between an Ashcroft A4A gauge and other “precision pressure gauges” can be found in the Bourdon tube and the quality of the other components used in the gauge. The process of making a Bourdon tube for the A4A gauge takes 15 days to complete and produces the most highly developed pressure sensing element of its type. In the A4A gauge thi
  • Compound Gauge Measures and indicates pressure above and below ambient pres- sure, using ambient pressure as a reference point. A compound gauge is a combination of a gauge pressure and a vacuum pressure gauge. Absolute Pressure Gauge Measures and indicates pressure above zero absolute pressure, using absolute zero pressure as a reference point. All measure- ments made with an absolute pressure gauge will be positive as it is impossible to generate a press
  • 6 Ashcroft A4A multi-coiled Bourdon tube pressures and special applications. See Section 7.1 for additional information. The Bourdon tube used in the Ashcroft A4A Gauge is a “Unitized” single or multi-coil element which is approximate- ly three times the length of tubes used in competitive gauges. The greater length results in a much lower deflec- tion rate, minimizes stress and virtually eliminates hystere- sis, creep and fatigue effect. The unitized
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1 Ashcroft Model A4A Precision Pressure Gauge Installation and Maintenance Manual I&M002-10126-02/14

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